APA (7th ed.) Zitazioa

Spears, E. (1956). Assignment to catastrophe. Wyman.

Chicago Style (17th ed.) Zitazioa

Spears, Edward. Assignment to Catastrophe. Londres: Wyman, 1956.

MLA (9th ed.) Zitazioa

Spears, Edward. Assignment to Catastrophe. Wyman, 1956.