APA (7th ed.) Citation

Duffield, J. W. (2012). Bert Wilson, Wireless Operator. Project Gutenberg.

Chicago Style (17th ed.) Citation

Duffield, J. W. Bert Wilson, Wireless Operator. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Duffield, J. W. Bert Wilson, Wireless Operator. Project Gutenberg, 2012.

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