APA (7th ed.) Citation

Heck, J. A., & Buck, E. H. (1993). The marine mammal protection act: Reauthorization issues. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Heck, Jennifer A., and Eugene H. Buck. The Marine Mammal Protection Act: Reauthorization Issues. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1993.

MLA (9th ed.) Citation

Heck, Jennifer A., and Eugene H. Buck. The Marine Mammal Protection Act: Reauthorization Issues. Congressional Research Service, Library of Congress, 1993.