APA (7th ed.) Citation

Ekrutt, J., Hatchett, C., Kimber, R., & Kimber, R. (1992). Stars and planets: Identifying them, learning about them, experiencing them. Barron's.

Chicago Style (17th ed.) Citation

Ekrutt, Joachim, Clint Hatchett, Rita Kimber, and Robert Kimber. Stars and Planets: Identifying Them, Learning About Them, Experiencing Them. New York: Barron's, 1992.

MLA (8th ed.) Citation

Ekrutt, Joachim, et al. Stars and Planets: Identifying Them, Learning About Them, Experiencing Them. Barron's, 1992.