APA (7th ed.) Citation

Sutton, G. M. (1928). An introduction to the birds of Pennsylvania. J. Horace McFarland company.

Chicago Style (17th ed.) Citation

Sutton, George Miksch. An Introduction to the Birds of Pennsylvania. Harrisburg, Penna: J. Horace McFarland company, 1928.

MLA (9th ed.) Citation

Sutton, George Miksch. An Introduction to the Birds of Pennsylvania. J. Horace McFarland company, 1928.