APA (7th ed.) Citation

Fanny, A. (2009). The Big Nightcap Letters Being the Fifth Book of the Series. Project Gutenberg.

Chicago Style (17th ed.) Citation

Fanny, Aunt. The Big Nightcap Letters Being the Fifth Book of the Series. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Fanny, Aunt. The Big Nightcap Letters Being the Fifth Book of the Series. Project Gutenberg, 2009.

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