APA (7th ed.) Citation

North, G. M. (2013). Bobs, a Girl Detective. Project Gutenberg.

Chicago Style (17th ed.) Citation

North, Grace May. Bobs, a Girl Detective. Project Gutenberg, 2013.

MLA (9th ed.) Citation

North, Grace May. Bobs, a Girl Detective. Project Gutenberg, 2013.

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