Zeilik, M., Gregory, S. A., & Smith, E. v. P. (1992). Introductory astronomy and astrophysics / Michael Zeilik, Stephen A. Gregory, Elske v. P. Smith. (3rd ed.). Saunders College Pub.
Chicago Style (17th ed.) CitationZeilik, Michael, Stephen A. Gregory, and Elske v. P. Smith. Introductory Astronomy and Astrophysics / Michael Zeilik, Stephen A. Gregory, Elske V. P. Smith. 3rd ed. Fort Worth: Saunders College Pub, 1992.
MLA (9th ed.) CitationZeilik, Michael, et al. Introductory Astronomy and Astrophysics / Michael Zeilik, Stephen A. Gregory, Elske V. P. Smith. 3rd ed. Saunders College Pub, 1992.
Warning: These citations may not always be 100% accurate.