APA (7th ed.) Citation

Oppenheim, E. P. (2005). The Double Life Of Mr. Alfred Burton. Project Gutenberg.

Chicago Style (17th ed.) Citation

Oppenheim, E. Phillips. The Double Life Of Mr. Alfred Burton. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Oppenheim, E. Phillips. The Double Life Of Mr. Alfred Burton. Project Gutenberg, 2005.

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