Cita APA

Plowden, L., Briggs, A. 1., & Brearley, M. (1971). The World of birds: In dictionary form for easy reference. Secaucus, N.J.: Castle Books.

Citación estilo Chicago

Plowden, Lady, Asa 1921- Briggs, y Molly Brearley. The World of Birds: In Dictionary Form for Easy Reference. Secaucus, N.J.: Castle Books, 1971.

Cita MLA

Plowden, Lady, Asa 1921- Briggs, y Molly Brearley. The World of Birds: In Dictionary Form for Easy Reference. Secaucus, N.J.: Castle Books, 1971.