APA

Skutch A. F., . (1999). Trogons, laughing, falcons and other neotropical birds. Texas: Texas AANDM University Press.

Chicago

Skutch Alexander F, . 1999. Trogons, laughing, falcons and other neotropical birds. Texas: Texas AANDM University Press.

Harvard

Skutch A. F., . (1999). Trogons, laughing, falcons and other neotropical birds. Texas: Texas AANDM University Press.

MLA

Skutch Alexander F, . Trogons, laughing, falcons and other neotropical birds. Texas: Texas AANDM University Press. 1999.