Aller, L. H., Kaler, J. B., & Bowen, I. S. (1966). Spectrophotometric studies of gaseous nebulae VII: The Ring Planetary NGC 7662. University of California.
Chicago Style (17th ed.) CitationAller, Lawrence Hugh, James B. Kaler, and Ira S. Bowen. Spectrophotometric Studies of Gaseous Nebulae VII: The Ring Planetary NGC 7662. Los Angeles: University of California, 1966.
MLA (9th ed.) CitationAller, Lawrence Hugh, et al. Spectrophotometric Studies of Gaseous Nebulae VII: The Ring Planetary NGC 7662. University of California, 1966.
Warning: These citations may not always be 100% accurate.