APA (7th ed.) Citation

Skilling, W. T., & Richardson, R. S. (1959). A brief text in astronomy (Rev. ed.). Holt.

Chicago Style (17th ed.) Citation

Skilling, William T., and Robert S. Richardson. A Brief Text in Astronomy. Rev. ed. [New York]: Holt, 1959.

MLA (9th ed.) Citation

Skilling, William T., and Robert S. Richardson. A Brief Text in Astronomy. Rev. ed. Holt, 1959.