APA (7th ed.) Citation

Lackey, E. E. (1920). Studies in the principles of geography: Following the problem method. Rand, McNally & Co.

Chicago Style (17th ed.) Citation

Lackey, Earl E. Studies in the Principles of Geography: Following the Problem Method. Chicago, New York: Rand, McNally & Co, 1920.

MLA (8th ed.) Citation

Lackey, Earl E. Studies in the Principles of Geography: Following the Problem Method. Rand, McNally & Co, 1920.