Cita APA

Olson, S. L. 1., & Parris, D. (1987). The cretaceous birds of New Yersey. Washington, D.C.: Smithsonian Institution Press.

Citación estilo Chicago

Olson, Storrs L. 1944-, y David Parris. The Cretaceous Birds of New Yersey. Washington, D.C.: Smithsonian Institution Press, 1987.

Cita MLA

Olson, Storrs L. 1944-, y David Parris. The Cretaceous Birds of New Yersey. Washington, D.C.: Smithsonian Institution Press, 1987.