APA (7th ed.) Citation

Sykes, F. H. (2008). Aviation in Peace and War. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sykes, Frederick Hugh. Aviation in Peace and War. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Sykes, Frederick Hugh. Aviation in Peace and War. Project Gutenberg, 2008.

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