Middlehurst, B. M., & Aller, L. H. (1968). Nebulae and interstellar matter. University of Chicago Press.
Chicago Style (17th ed.) CitationMiddlehurst, Barbara M., and Lawrence H. Aller. Nebulae and Interstellar Matter. Chicago: University of Chicago Press, 1968.
MLA (8th ed.) CitationMiddlehurst, Barbara M., and Lawrence H. Aller. Nebulae and Interstellar Matter. University of Chicago Press, 1968.
Warning: These citations may not always be 100% accurate.