APA (7th ed.) Citation

Leedy, P. D., & Ormrod, J. E. (2005). Practical research: Planning and design (8. ed., internat. ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Leedy, Paul D., and Jeanne Ellis Ormrod. Practical Research: Planning and Design. 8. ed., internat. ed. Upper Saddle River, N.J: Prentice Hall, 2005.

MLA (9th ed.) Citation

Leedy, Paul D., and Jeanne Ellis Ormrod. Practical Research: Planning and Design. 8. ed., internat. ed. Prentice Hall, 2005.