APA (7th ed.) Citation

Bloomfield, R. (2010). The Bird and Insects' Post Office. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bloomfield, Robert. The Bird and Insects' Post Office. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Bloomfield, Robert. The Bird and Insects' Post Office. Project Gutenberg, 2010.

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