APA Citation

Leedy, P. D., & Ormrod, J. E. Practical research: Planning and design (Twelfth edition.).

Chicago Style Citation

Leedy, Paul D., and Jeanne Ellis Ormrod. Practical Research: Planning and Design. Twelfth edition.

MLA Citation

Leedy, Paul D., and Jeanne Ellis Ormrod. Practical Research: Planning and Design. Twelfth edition.

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