APA

Meetings of Association of American Physicians ( 19ª : 1977 apr 30 and mayo 1 - 2 : Washington D., . (1977). Transactions of the Association of American Physicians. Collingdal: Association of American Physicians.

Chicago

Meetings of Association of American Physicians ( 19ª : 1977 apr 30 and mayo 1 - 2 : Washington D.C.), . 1977. Transactions of the Association of American Physicians. Collingdal: Association of American Physicians.

Harvard

Meetings of Association of American Physicians ( 19ª : 1977 apr 30 and mayo 1 - 2 : Washington D., . (1977). Transactions of the Association of American Physicians. Collingdal: Association of American Physicians.

MLA

Meetings of Association of American Physicians ( 19ª : 1977 apr 30 and mayo 1 - 2 : Washington D.C.), . Transactions of the Association of American Physicians. Collingdal: Association of American Physicians. 1977.