APA (7th ed.) Citation

Childers, E. (2000). The Riddle of the Sands. Project Gutenberg.

Chicago Style (17th ed.) Citation

Childers, Erskine. The Riddle of the Sands. Project Gutenberg, 2000.

MLA (9th ed.) Citation

Childers, Erskine. The Riddle of the Sands. Project Gutenberg, 2000.

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