Holdren, J. P., & Herrera, P. (1971). Energy: A crisis in power. Sierra Club.
Chicago Style (17th ed.) CitationHoldren, John P., and Philip Herrera. Energy: A Crisis in Power. San Francisco: Sierra Club, 1971.
MLA (9th ed.) CitationHoldren, John P., and Philip Herrera. Energy: A Crisis in Power. Sierra Club, 1971.
Warning: These citations may not always be 100% accurate.