APA (7th ed.) Citation

Blond, M. A. l. (2013). Adventures on the Roof of the World. Project Gutenberg.

Chicago Style (17th ed.) Citation

Blond, Mrs. Aubrey le. Adventures on the Roof of the World. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Blond, Mrs. Aubrey le. Adventures on the Roof of the World. Project Gutenberg, 2013.

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