APA (7th ed.) Citation

(1939). Startling stories. Better Publications [etc.].

Chicago Style (17th ed.) Citation

Startling Stories. Kokomo, Ind. [etc.]: Better Publications [etc.], 1939.

MLA (9th ed.) Citation

Startling Stories. Better Publications [etc.], 1939.

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