APA (7th ed.) Citation

DeVellis, R. F. (2017). Scale development: Theory and applications (4th ed.). SAGE.

Chicago Style (17th ed.) Citation

DeVellis, Robert F. Scale Development: Theory and Applications. 4th ed. Los Angeles: SAGE, 2017.

MLA (9th ed.) Citation

DeVellis, Robert F. Scale Development: Theory and Applications. 4th ed. SAGE, 2017.

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