APA

Headstrom R., . (1970). A complete field guide to nests in the United States: including those of birds, mammals, insects, fishes, reptiles, and amphibians. New York: I. Washburn.

Chicago

Headstrom Richard, . 1970. A complete field guide to nests in the United States: including those of birds, mammals, insects, fishes, reptiles, and amphibians. New York: I. Washburn.

Harvard

Headstrom R., . (1970). A complete field guide to nests in the United States: including those of birds, mammals, insects, fishes, reptiles, and amphibians. New York: I. Washburn.

MLA

Headstrom Richard, . A complete field guide to nests in the United States: including those of birds, mammals, insects, fishes, reptiles, and amphibians. New York: I. Washburn. 1970.