APA (7th ed.) Citation

Spedon, A. L. (2006). The Black-Sealed Letter Or, The Misfortunes of a Canadian Cockney. Project Gutenberg.

Chicago Style (17th ed.) Citation

Spedon, Andrew Learmont. The Black-Sealed Letter Or, The Misfortunes of a Canadian Cockney. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Spedon, Andrew Learmont. The Black-Sealed Letter Or, The Misfortunes of a Canadian Cockney. Project Gutenberg, 2006.

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