APA (7th ed.) Citation

Roberts, C. G. D. (2011). The Ledge on Bald Face. Project Gutenberg.

Chicago Style (17th ed.) Citation

Roberts, Charles G. D. The Ledge on Bald Face. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Roberts, Charles G. D. The Ledge on Bald Face. Project Gutenberg, 2011.

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