APA (7th ed.) Citation

Wiggin, K. D. S., Smith, N. A., & Parrish, M. (2007). The Arabian Nights: Their Best-known Tales. Project Gutenberg.

Chicago Style (17th ed.) Citation

Wiggin, Kate Douglas Smith, Nora Archibald Smith, and Maxfield Parrish. The Arabian Nights: Their Best-known Tales. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Wiggin, Kate Douglas Smith, et al. The Arabian Nights: Their Best-known Tales. Project Gutenberg, 2007.

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