APA (7th ed.) Citation

(2009). The Galaxy Vol. 23, No. 1. Project Gutenberg.

Chicago Style (17th ed.) Citation

The Galaxy Vol. 23, No. 1. Project Gutenberg, 2009.

MLA (9th ed.) Citation

The Galaxy Vol. 23, No. 1. Project Gutenberg, 2009.

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