Cita APA

Skutch, A. F., & Gardner, D. (1987). A bird watcher's adventures in Tropical America (5. ed.). Londres: University of Texas.

Citación estilo Chicago

Skutch, Alexander Frank, y Dana Gardner. A Bird Watcher's Adventures in Tropical America. 5. ed. Londres: University of Texas, 1987.

Cita MLA

Skutch, Alexander Frank, y Dana Gardner. A Bird Watcher's Adventures in Tropical America. 5. ed. Londres: University of Texas, 1987.