APA (7th ed.) Citation

United States Information Agency, Schroeder, R. G., & Glick, N. An outline of American government.

Chicago Style (17th ed.) Citation

United States Information Agency, Richard G. Schroeder, and Nathan Glick. An Outline of American Government.

MLA (9th ed.) Citation

United States Information Agency, et al. An Outline of American Government.

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