APA (7th ed.) Citation

Blutstein, H. I. (1971). Area handbook for El Salvador. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Blutstein, Howard I. Area Handbook for El Salvador. Washington, D.C: U.S. Government Printing Office, 1971.

MLA (9th ed.) Citation

Blutstein, Howard I. Area Handbook for El Salvador. U.S. Government Printing Office, 1971.