APA (7th ed.) Citation

Liddle, A. R. (1999). An introduction to modern cosmology. Wiley.

Chicago Style (17th ed.) Citation

Liddle, Andrew R. An Introduction to Modern Cosmology. Chichester ; New York: Wiley, 1999.

MLA (9th ed.) Citation

Liddle, Andrew R. An Introduction to Modern Cosmology. Wiley, 1999.