Cita APA

Stokes, D., & Stokes, L. (1990). The bluebird book: The complete guide to attracting bluebirds. Boston: Little, Brown and Company.

Citación estilo Chicago

Stokes, Donald, y Lillian Stokes. The Bluebird Book: The Complete Guide to Attracting Bluebirds. Boston: Little, Brown and Company, 1990.

Cita MLA

Stokes, Donald, y Lillian Stokes. The Bluebird Book: The Complete Guide to Attracting Bluebirds. Boston: Little, Brown and Company, 1990.