Cita APA

Johnsgard, P. A. 1., Gardner, D. G. 1., McClelland, J. D., O'Neill, J., & Reiser, D. (2000). Trogons and quetzals of the world. Washington: Smithsonian Institution Press.

Citación estilo Chicago

Johnsgard, Paul Austin 1931-2021, Dana Gordon 1950- Gardner, James D. McClelland, John O'Neill, y David Reiser. Trogons and Quetzals of the World. Washington: Smithsonian Institution Press, 2000.

Cita MLA

Johnsgard, Paul Austin 1931-2021, et al. Trogons and Quetzals of the World. Washington: Smithsonian Institution Press, 2000.