APA (7th ed.) Citation

Chambers, R. W., & Gibson, C. D. (2013). The Business of Life. Project Gutenberg.

Chicago Style (17th ed.) Citation

Chambers, Robert W., and Charles Dana Gibson. The Business of Life. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Chambers, Robert W., and Charles Dana Gibson. The Business of Life. Project Gutenberg, 2013.

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