APA (7th ed.) Zitazioa

(1981). The solar system and its strange objects. William Kaufmann.

Chicago Style (17th ed.) Zitazioa

The Solar System and Its Strange Objects. Los Altos: William Kaufmann, 1981.

MLA (9th ed.) Zitazioa

The Solar System and Its Strange Objects. William Kaufmann, 1981.