APA (7th ed.) Zitazioa

Hoyle, F. (1963). Frontiers of astronomy. Heimemann Educational.

Chicago Style (17th ed.) Zitazioa

Hoyle, Fred. Frontiers of Astronomy. London: Heimemann Educational, 1963.

MLA (9th ed.) Zitazioa

Hoyle, Fred. Frontiers of Astronomy. Heimemann Educational, 1963.