Cita APA

Gilliard, E. (1958). Game birds of the world. New York:: Nelson Doubleday,.

Citación estilo Chicago

Gilliard, E.T. Game Birds of the World. New York:: Nelson Doubleday,, 1958.

Cita MLA

Gilliard, E.T. Game Birds of the World. New York:: Nelson Doubleday,, 1958.