APA (7th ed.) Citation

Roberts, E. M., & Hartley, K. (2009). In the Great Steep's Garden. Project Gutenberg.

Chicago Style (17th ed.) Citation

Roberts, Elizabeth Madox, and Kenneth Hartley. In the Great Steep's Garden. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Roberts, Elizabeth Madox, and Kenneth Hartley. In the Great Steep's Garden. Project Gutenberg, 2009.

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