APA (7th ed.) Citation

(2010). Astounding Stories, June, 1931. Project Gutenberg.

Chicago Style (17th ed.) Citation

Astounding Stories, June, 1931. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Astounding Stories, June, 1931. Project Gutenberg, 2010.

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