APA (7th ed.) Zitazioa

Various; Bates, H. Astounding Stories, May, 1931.

Chicago Style (17th ed.) Zitazioa

Various; Bates, Harry. Astounding Stories, May, 1931.

MLA (9th ed.) Zitazioa

Various; Bates, Harry. Astounding Stories, May, 1931.

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