APA (7th ed.) Citation

Schreier, P. A. (1971). The United States: Understanding through inquiry. Guinness.

Chicago Style (17th ed.) Citation

Schreier, Phillip A. The United States: Understanding Through Inquiry. New York [u.a.]: Guinness, 1971.

MLA (9th ed.) Citation

Schreier, Phillip A. The United States: Understanding Through Inquiry. Guinness, 1971.

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