APA (7th ed.) Citation

Carnegie, A. (1903). The empire of business / by A. Carnegie. Harper.

Chicago Style (17th ed.) Citation

Carnegie, Andrew. The Empire of Business / by A. Carnegie. Harper, 1903.

MLA (9th ed.) Citation

Carnegie, Andrew. The Empire of Business / by A. Carnegie. Harper, 1903.

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