APA (7th ed.) Citation

Kaplan, I. (1971). Area handbook for Ethiopia (2d ed.). U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Kaplan, Irving. Area Handbook for Ethiopia. 2d ed. Washington, D.C: U.S. Government Printing Office, 1971.

MLA (9th ed.) Citation

Kaplan, Irving. Area Handbook for Ethiopia. 2d ed. U.S. Government Printing Office, 1971.