APA (7th ed.) Citation

Dorschner, J., & Loffler, G. (1975). Astronomy, a popular history. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Dorschner, J., and G. Loffler. Astronomy, a Popular History. New York: Van Nostrand Reinhold, 1975.

MLA (9th ed.) Citation

Dorschner, J., and G. Loffler. Astronomy, a Popular History. Van Nostrand Reinhold, 1975.