APA (7th ed.) Citation

Hueston, E., & Brown, A. W. (2006). Sunny Slopes. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hueston, Ethel, and Arthur William Brown. Sunny Slopes. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Hueston, Ethel, and Arthur William Brown. Sunny Slopes. Project Gutenberg, 2006.

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