APA (7th ed.) Citation

Wakeley, J. S., & Wakeley, L. D. (1985). Birds of Pennsylvania: Natural history and conservation (2. ed.). Pennsylvania Game Commission.

Chicago Style (17th ed.) Citation

Wakeley, James S., and Lillian D. Wakeley. Birds of Pennsylvania: Natural History and Conservation. 2. ed. Harrisburg, Pa: Pennsylvania Game Commission, 1985.

MLA (9th ed.) Citation

Wakeley, James S., and Lillian D. Wakeley. Birds of Pennsylvania: Natural History and Conservation. 2. ed. Pennsylvania Game Commission, 1985.