APA Edition Citation

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 Edition Citation

Zeilik, 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 Edition Citation

Zeilik, Michael, et al. Introductory Astronomy and Astrophysics / Michael Zeilik, Stephen A. Gregory, Elske V. P. Smith. 3rd ed. Saunders College Pub, 1992.