APA (7th ed.) Citation

Hendry, H., & Mason, E. F. (2011). Holidays and Happy-Days. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hendry, Hamish, and E. Florence Mason. Holidays and Happy-Days. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Hendry, Hamish, and E. Florence Mason. Holidays and Happy-Days. Project Gutenberg, 2011.

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