APA (7th ed.) Citation

Sayler, J., Hebert, J., & Walke, R. (1992). The Christopher Columbus quincentenary: An introduction to the issues. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Sayler, James, John Hebert, and Roger Walke. The Christopher Columbus Quincentenary: An Introduction to the Issues. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1992.

MLA (9th ed.) Citation

Sayler, James, et al. The Christopher Columbus Quincentenary: An Introduction to the Issues. Congressional Research Service, Library of Congress, 1992.