APA (7th ed.) Citation

Yochelson, E. L. (1968). On the nature of Polylopia. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Yochelson, Ellis L. On the Nature of Polylopia. Washington: U.S. Govt. Print. Off, 1968.

MLA (9th ed.) Citation

Yochelson, Ellis L. On the Nature of Polylopia. U.S. Govt. Print. Off, 1968.