APA (7th ed.) Citation

Oldroyd, H. (1965). The natural history of flies ([1st American ed.].). Norton.

Chicago Style (17th ed.) Citation

Oldroyd, Harold. The Natural History of Flies. [1st American ed.]. New York: Norton, 1965.

MLA (9th ed.) Citation

Oldroyd, Harold. The Natural History of Flies. [1st American ed.]. Norton, 1965.