APA (7th ed.) Citation

Braden, J. A., & Fry, W. H. (2008). Far Past the Frontier. Project Gutenberg.

Chicago Style (17th ed.) Citation

Braden, James A., and W. H. Fry. Far Past the Frontier. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Braden, James A., and W. H. Fry. Far Past the Frontier. Project Gutenberg, 2008.

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