Cita APA (7a ed.)

Fry, C. H., Keith, S., Urban, E. K., & Woodcock, M. (1982). The birds of Africa. Academic Press.

Cita Chicago Style (17a ed.)

Fry, C. H., Stuart Keith, Emil K. Urban, y Martin Woodcock. The Birds of Africa. San Diego [etc.]: Academic Press, 1982.

Cita MLA (9a ed.)

Fry, C. H., et al. The Birds of Africa. Academic Press, 1982.