APA Citation

Collar, N. (1992). Threatened birds of the Americas (3.ed.). Cambridge: International Council for Bird Preservation.

Chicago Style Citation

Collar, N.J. Threatened Birds of the Americas. 3.ed. Cambridge: International Council for Bird Preservation, 1992.

MLA Citation

Collar, N.J. Threatened Birds of the Americas. 3.ed. Cambridge: International Council for Bird Preservation, 1992.

Warning: These citations may not always be 100% accurate.