APA (7th ed.) Citation

Brackett, L. D. (2010). Black Amazon of Mars. Project Gutenberg.

Chicago Style (17th ed.) Citation

Brackett, Leigh Douglass. Black Amazon of Mars. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Brackett, Leigh Douglass. Black Amazon of Mars. Project Gutenberg, 2010.

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