APA (7th ed.) Citation

Nussbaumer, H., & Bieri, L. (2009). Discovering the expanding universe. Cambridge University Press.

Chicago Style (17th ed.) Citation

Nussbaumer, Harry, and Lydia Bieri. Discovering the Expanding Universe. Cambridge ; New York: Cambridge University Press, 2009.

MLA (8th ed.) Citation

Nussbaumer, Harry, and Lydia Bieri. Discovering the Expanding Universe. Cambridge University Press, 2009.

Warning: These citations may not always be 100% accurate.