Cita APA

Smithe, F. B., & Trimm, H. W. (1966). The birds of Tikal (1. edition.). Garden City, New York: NHP.

Citación estilo Chicago

Smithe, Frank B., y H. Wayne Trimm. The Birds of Tikal. 1. edition. Garden City, New York: NHP, 1966.

Cita MLA

Smithe, Frank B., y H. Wayne Trimm. The Birds of Tikal. 1. edition. Garden City, New York: NHP, 1966.