APA (7th ed.) Citation

Douglas, G., Kemp, P., & Cook, J. (1983). Systematic new product development (2. ed.). Gower.

Chicago Style (17th ed.) Citation

Douglas, Gordon, Philip Kemp, and Jeremy Cook. Systematic New Product Development. 2. ed. Aldershot: Gower, 1983.

MLA (9th ed.) Citation

Douglas, Gordon, et al. Systematic New Product Development. 2. ed. Gower, 1983.