APA (7th ed.) Zitazioa

Berry, M. (1944). Principles of cosmology and gravitation. Adam Hilger.

Chicago Style (17th ed.) Zitazioa

Berry, Michael. Principles of Cosmology and Gravitation. Bristol: Adam Hilger, 1944.

MLA (9th ed.) Zitazioa

Berry, Michael. Principles of Cosmology and Gravitation. Adam Hilger, 1944.