APA (7th ed.) Citation

Homan, M., & Worley, P. (1978). Online Search Optimization.

Chicago Style (17th ed.) Citation

Homan, Michael, and Penny Worley. Online Search Optimization. 1978.

MLA (9th ed.) Citation

Homan, Michael, and Penny Worley. Online Search Optimization. 1978.

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