APA (7th ed.) Citation

Beer, K. E. (1961). The U.S.A. answers: A guide to understanding. U.S. and World Publications.

Chicago Style (17th ed.) Citation

Beer, Kenneth E. The U.S.A. Answers: A Guide to Understanding. New York: U.S. and World Publications, 1961.

MLA (9th ed.) Citation

Beer, Kenneth E. The U.S.A. Answers: A Guide to Understanding. U.S. and World Publications, 1961.

Warning: These citations may not always be 100% accurate.