Orloff, R. W., & Harland, D. M. (2006). Apollo: The definitive sourcebook. Springer.
Chicago Style (17th ed.) CitationOrloff, Richard W., and David M. Harland. Apollo: The Definitive Sourcebook. Berlin [u.a.]: Springer, 2006.
MLA (9th ed.) CitationOrloff, Richard W., and David M. Harland. Apollo: The Definitive Sourcebook. Springer, 2006.
Warning: These citations may not always be 100% accurate.