APA (7th ed.) Citation

King, F. M. (1981). Understanding regions of the earth (2nd ed.). Laidlaw Brothers.

Chicago Style (17th ed.) Citation

King, Frederick M. Understanding Regions of the Earth. 2nd ed. River Forest, Ill.: Laidlaw Brothers, 1981.

MLA (9th ed.) Citation

King, Frederick M. Understanding Regions of the Earth. 2nd ed. Laidlaw Brothers, 1981.