Cita APA

Skutch, A. F. 1., & Gardner, D. G. 1. (1981). New studies of tropical American birds. Cambridge, Massachusetts: Nuttall Ornithological Club.

Citación estilo Chicago

Skutch, Alexander Frank 1904-2004, y Dana Gordon 1950- Gardner. New Studies of Tropical American Birds. Cambridge, Massachusetts: Nuttall Ornithological Club, 1981.

Cita MLA

Skutch, Alexander Frank 1904-2004, y Dana Gordon 1950- Gardner. New Studies of Tropical American Birds. Cambridge, Massachusetts: Nuttall Ornithological Club, 1981.