APA (7th ed.) Citation

Brown, S. I., & Walter, M. I. (2005). The art of problem posing (3rd ed.). Lawrence Erlbaum.

Chicago Style (17th ed.) Citation

Brown, Stephen I., and Marion I. Walter. The Art of Problem Posing. 3rd ed. Mahwah, N.J.: Lawrence Erlbaum, 2005.

MLA (9th ed.) Citation

Brown, Stephen I., and Marion I. Walter. The Art of Problem Posing. 3rd ed. Lawrence Erlbaum, 2005.