APA (7th ed.) Citation

Ruck, B. (2011). The Boy with Wings. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ruck, Berta. The Boy with Wings. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Ruck, Berta. The Boy with Wings. Project Gutenberg, 2011.

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