APA (7th ed.) Citation

Keen & Craigg. (1997). On-line profits: A manager's guide to electronic commerce. Harvard business school.

Chicago Style (17th ed.) Citation

Keen and Craigg. On-line Profits: A Manager's Guide to Electronic Commerce. Boston: Harvard business school, 1997.

MLA (9th ed.) Citation

Keen and Craigg. On-line Profits: A Manager's Guide to Electronic Commerce. Harvard business school, 1997.

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