APA (7th ed.) Zitazioa

Pasachoff, J. M. (1981). Contemporary astronomy. Saunders College.

Chicago Style (17th ed.) Zitazioa

Pasachoff, Jay M. Contemporary Astronomy. Philadelphia: Saunders College, 1981.

MLA (9th ed.) Zitazioa

Pasachoff, Jay M. Contemporary Astronomy. Saunders College, 1981.