Cita APA

Hood , B., & Hood, M. (1956). Tracks and trails. New York:: Nelson Doubleday,.

Citación estilo Chicago

Hood , B., y M. Hood. Tracks and Trails. New York:: Nelson Doubleday,, 1956.

Cita MLA

Hood , B., y M. Hood. Tracks and Trails. New York:: Nelson Doubleday,, 1956.