APA (7th ed.) Citation

(1940). Science fiction quarterly. Double Action Magazines [etc.].

Chicago Style (17th ed.) Citation

Science Fiction Quarterly. Springfield, Mass. [etc.]: Double Action Magazines [etc.], 1940.

MLA (9th ed.) Citation

Science Fiction Quarterly. Double Action Magazines [etc.], 1940.

Warning: These citations may not always be 100% accurate.