APA (7th ed.) Citation

Serviss, G. P. (2005). The Moon Metal. Project Gutenberg.

Chicago Style (17th ed.) Citation

Serviss, Garrett Putman. The Moon Metal. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Serviss, Garrett Putman. The Moon Metal. Project Gutenberg, 2005.

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