APA (7th ed.) Citation

American University, Washington, D. C. Foreign Areas Studies Division, & Blutstein, H. I. (1970). Area handbook for Costa Rica. U. S. Govt. Print. Off.].

Chicago Style (17th ed.) Citation

American University, Washington, D. C. Foreign Areas Studies Division, and Howard I. Blutstein. Area Handbook for Costa Rica. Washington, D. C: U. S. Govt. Print. Off.], 1970.

MLA (9th ed.) Citation

American University, Washington, D. C. Foreign Areas Studies Division, and Howard I. Blutstein. Area Handbook for Costa Rica. U. S. Govt. Print. Off.], 1970.