APA stil citiranja

Nelson, L. T. (2007). 21st century astronomy: 21st century astronomy (2nd ed.). New York ; London: W. W. Norton & Co.

Chicago stil citiranja

Nelson, Leonard T. 21st century astronomy: 21st century astronomy. 2nd ed. New York ; London: W. W. Norton & Co, 2007.

MLA stil citiranja

Nelson, Leonard T. 21st century astronomy: 21st century astronomy. 2nd ed. New York ; London: W. W. Norton & Co, 2007.