APA (7th ed.) Citation

(1997). U.S. EPA marine engine certification guidance. Engine Compliance Programs, Group, U.S. Environmental Protection Agency.

Chicago Style (17th ed.) Citation

U.S. EPA Marine Engine Certification Guidance. Washington, DC: Engine Compliance Programs, Group, U.S. Environmental Protection Agency, 1997.

MLA (9th ed.) Citation

U.S. EPA Marine Engine Certification Guidance. Engine Compliance Programs, Group, U.S. Environmental Protection Agency, 1997.

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