APA (7th ed.) Citation

Pasachoff, J. M., Peterson, R. T., & Tirion, W. (1990). Peterson first guide to the solar system. Houghton Mifflin company.

Chicago Style (17th ed.) Citation

Pasachoff, Jay M., Rojer Tory Peterson, and Wil Tirion. Peterson First Guide to the Solar System. Boston: Houghton Mifflin company, 1990.

MLA (9th ed.) Citation

Pasachoff, Jay M., et al. Peterson First Guide to the Solar System. Houghton Mifflin company, 1990.