APA (7th ed.) Citation

DeVellis, R. F. Scale development: Theory and applications (2a ed.).

Chicago Style (17th ed.) Citation

DeVellis, Robert F. Scale Development: Theory and Applications. 2a ed.

MLA (8th ed.) Citation

DeVellis, Robert F. Scale Development: Theory and Applications. 2a ed.

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