APA (7th ed.) Citation

Stockham, R. (2010). Circle of Flight. Project Gutenberg.

Chicago Style (17th ed.) Citation

Stockham, Richard. Circle of Flight. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Stockham, Richard. Circle of Flight. Project Gutenberg, 2010.

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