Cita APA

Collias, N. E. (1960). An ecological and functional classification of animal sounds. Los Angeles: university of California.

Citación estilo Chicago

Collias, Nicholas E. An Ecological and Functional Classification of Animal Sounds. Los Angeles: university of California, 1960.

Cita MLA

Collias, Nicholas E. An Ecological and Functional Classification of Animal Sounds. Los Angeles: university of California, 1960.