APA (7th ed.) Citation

Liddle, A. R. (1998). An introduction to modern cosmology. Wiley.

Chicago Style (17th ed.) Citation

Liddle, Andrew R. An Introduction to Modern Cosmology. Chichester [u.a.]: Wiley, 1998.

MLA (9th ed.) Citation

Liddle, Andrew R. An Introduction to Modern Cosmology. Wiley, 1998.

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