APA (7th ed.) Citation

Buck, E. H., & Heck, J. A. (1988). Whale conservation. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Buck, Eugene H., and Jennifer A. Heck. Whale Conservation. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1988.

MLA (9th ed.) Citation

Buck, Eugene H., and Jennifer A. Heck. Whale Conservation. Congressional Research Service, Library of Congress, 1988.