APA

Nelson D. L., Peterson C., Smith D. A., Boughton J. A. & Whalen G. M. (19880427). Effects of project versus parallel groups on social interaction and affective responses in senior citizens. : The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

Chicago

Nelson D L, Peterson C, Smith D A, Boughton J A and Whalen G M. 19880427. Effects of project versus parallel groups on social interaction and affective responses in senior citizens. : The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

Harvard

Nelson D. L., Peterson C., Smith D. A., Boughton J. A. and Whalen G. M. (19880427). Effects of project versus parallel groups on social interaction and affective responses in senior citizens. : The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

MLA

Nelson D L, Peterson C, Smith D A, Boughton J A and Whalen G M. Effects of project versus parallel groups on social interaction and affective responses in senior citizens. : The American journal of occupational therapy : official publication of the American Occupational Therapy Association. 19880427.