APA ציטוט

MacCallum, F. O. (1950). Poliomyelitis and Inoculation of Prophylactics.

Citação norma Chicago

MacCallum, F. O. Poliomyelitis and Inoculation of Prophylactics. 1950.

ציטוט MLA

MacCallum, F. O. Poliomyelitis and Inoculation of Prophylactics. 1950.