APA

Ffolliot P. F., Gallina S., . (1981). Deer biology, habitat requiremnets and management in Western North América. Mexico, D.F: Instituto de Ecología.

Chicago

Ffolliot Peter F, Gallina Sonia, . 1981. Deer biology, habitat requiremnets and management in Western North América. Mexico, D.F: Instituto de Ecología.

Harvard

Ffolliot P. F., Gallina S., . (1981). Deer biology, habitat requiremnets and management in Western North América. Mexico, D.F: Instituto de Ecología.

MLA

Ffolliot Peter F, Gallina Sonia, . Deer biology, habitat requiremnets and management in Western North América. Mexico, D.F: Instituto de Ecología. 1981.