APA (7th ed.) Citation

Allen, C. W. (1973). Astrophysical quantities (3rd edition.). The Athlone Press.

Chicago Style (17th ed.) Citation

Allen, C. W. Astrophysical Quantities. 3rd edition. London: The Athlone Press, 1973.

MLA (8th ed.) Citation

Allen, C. W. Astrophysical Quantities. 3rd edition. The Athlone Press, 1973.

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