APA (7th ed.) Citation

Robson, M. (1993). Problem solving in group (2nd. ed.). Gower Pub.

Chicago Style (17th ed.) Citation

Robson, Mike. Problem Solving in Group. 2nd. ed. England: Gower Pub, 1993.

MLA (9th ed.) Citation

Robson, Mike. Problem Solving in Group. 2nd. ed. Gower Pub, 1993.