APA (7th ed.) Citation

Jaschek, C., & Jaschek, M. (1987). The classification of stars. Cambridge University Press.

Chicago Style (17th ed.) Citation

Jaschek, C., and M. Jaschek. The Classification of Stars. Cambridge: Cambridge University Press, 1987.

MLA (9th ed.) Citation

Jaschek, C., and M. Jaschek. The Classification of Stars. Cambridge University Press, 1987.