Payne-Gaposchkin, C. H. 1., & Haramundanis, K. (1970). Introduction to astronomy (2. edition.). Englewood Cliffs, New Jersey: Prentice Hall, Inc..
Chicago Style CitationPayne-Gaposchkin, Cecilia Helena 1900-1979, and Katherine Haramundanis. Introduction to Astronomy. 2. edition. Englewood Cliffs, New Jersey: Prentice Hall, Inc., 1970.
MLA CitationPayne-Gaposchkin, Cecilia Helena 1900-1979, and Katherine Haramundanis. Introduction to Astronomy. 2. edition. Englewood Cliffs, New Jersey: Prentice Hall, Inc., 1970.
Warning: These citations may not always be 100% accurate.