Cita APA

Welty, J. C. (1982). The life of birds. Philadelphia: Saunders College Publishing.

Citación estilo Chicago

Welty, Joel Carl. The Life of Birds. Philadelphia: Saunders College Publishing, 1982.

Cita MLA

Welty, Joel Carl. The Life of Birds. Philadelphia: Saunders College Publishing, 1982.

Precaución: Estas citas no son 100% exactas.