APA

Symposiun annual Division of Vascular Surgery (3º : 1978 dec. 7 - 8 : Northwester University Medical School C., . (1978). Gangrene and severe ischemia of the lower extremities. New York: Grune & Stratton.

Chicago

Symposiun annual Division of Vascular Surgery (3º : 1978 dec. 7 - 8 : Northwester University Medical School Chicago), . 1978. Gangrene and severe ischemia of the lower extremities. New York: Grune & Stratton.

Harvard

Symposiun annual Division of Vascular Surgery (3º : 1978 dec. 7 - 8 : Northwester University Medical School C., . (1978). Gangrene and severe ischemia of the lower extremities. New York: Grune & Stratton.

MLA

Symposiun annual Division of Vascular Surgery (3º : 1978 dec. 7 - 8 : Northwester University Medical School Chicago), . Gangrene and severe ischemia of the lower extremities. New York: Grune & Stratton. 1978.