APA (7th ed.) Citation

Sexl, R. U., & Sexl, H. (1979). White dwarfs--black holes: An introduction to relativistic astrophysics. Academic Press.

Chicago Style (17th ed.) Citation

Sexl, Roman Ulrich, and Hannelore Sexl. White Dwarfs--black Holes: An Introduction to Relativistic Astrophysics. New York: Academic Press, 1979.

MLA (9th ed.) Citation

Sexl, Roman Ulrich, and Hannelore Sexl. White Dwarfs--black Holes: An Introduction to Relativistic Astrophysics. Academic Press, 1979.