APA (7th ed.) Citation

Hedrick, T. E., Bickman, L., & Rog, D. J. (1993). Applied research design: A practical guide. Sage.

Chicago Style (17th ed.) Citation

Hedrick, Terry E., Leonard Bickman, and Debra J. Rog. Applied Research Design: A Practical Guide. Newbury Park u.a: Sage, 1993.

MLA (9th ed.) Citation

Hedrick, Terry E., et al. Applied Research Design: A Practical Guide. Sage, 1993.