APA (7th ed.) Zitazioa

Allum, T. (1959). Emperor of space. Blackie.

Chicago Style (17th ed.) Zitazioa

Allum, Tom. Emperor of Space. Londres: Blackie, 1959.

MLA (9th ed.) Zitazioa

Allum, Tom. Emperor of Space. Blackie, 1959.