APA-referens

Katz, S. L. (1998). Commentary on “Active immunization against poliomyelitis”. J Urban Health.

Chicago-stil citat

Katz, Samuel L. "Commentary On “Active Immunization against Poliomyelitis”." J Urban Health 1998.

MLA-referens

Katz, Samuel L. "Commentary On “Active Immunization against Poliomyelitis”." J Urban Health 1998.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.