APA (7th ed.) Citation

Piper, H. B. (2006). Crossroads of Destiny. Project Gutenberg.

Chicago Style (17th ed.) Citation

Piper, H. Beam. Crossroads of Destiny. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Piper, H. Beam. Crossroads of Destiny. Project Gutenberg, 2006.

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