Specific Rules #2 for Conference Title (required) to Citing Conference Proceedings Vancouver Style: Conference titles in more than one language

If a conference publication is written in several languages, give the title in the first language found on the title page and indicate all languages of publication after the pagination. Separate the languages by commas and end the list with a period.

Oud N, editor. ACENDIO 2003: Making nursing visible. 4th European Conference of ACENDIO; 2003; Paris. Bern (Switzerland): Huber; 2003. 347 p. English, French, German.

34th Congressus Internationalis Historiae Pharmaciae; 1999 Oct 20-23; Florence, Italy. Piacenza (Italy): Accademia Italiana di Storia della Farmacia; 2001. 351 p. Italian, English, French, German, Spanish.

If a conference title is presented in two or more equal languages, as often occurs in Canadian publications, give all titles in the order in which they are given in the text, with an equals sign between them. Indicate the particular languages, separated by commas, after the pagination. End the list with a period.

Bidart A, editor. 4e Congres International de Pneumologie Pediatrique: livre des communications = 4th International Congress on Pediatric Pulmonology: proceedings; 2000 Feb 21-24; Nice, France. Paris: EDK; c2000. 271 p. French, English.

Según:

Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers [Internet]. 2nd edition. Chapter 3: Conference Publications