MLA

Gafney, Leo, Karen C Cohen, and Pratibha Varma-Nelson. Peer-led Team Learning: Evaluation, Dissemination, and Institutionalization of a College Level Initiative. Springer Netherlands, 2008.

APA

Gafney, L., Cohen, K. C, & Varma-Nelson, P. (2008). Peer-Led Team Learning: Evaluation, Dissemination, and Institutionalization of a College Level Initiative. Springer Netherlands.

Chicago

Gafney, Leo, Karen C Cohen, and Pratibha Varma-Nelson. Peer-Led Team Learning: Evaluation, Dissemination, and Institutionalization of a College Level Initiative. : Springer Netherlands, 2008.