APA Edition Citation

DeVellis, R. F. (1991). Scale development: Theory and applications. SAGE publications.

Chicago Edition Citation

DeVellis, Robert F. Scale Development: Theory and Applications. New Delhi: SAGE publications, 1991.

MLA Edition Citation

DeVellis, Robert F. Scale Development: Theory and Applications. SAGE publications, 1991.

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