APA (7th ed.) Citation

Symposium on Developing New Services, George, W. R., & Marshall, C. E. (1984). Developing new services. American Marketing Association.

Chicago Style (17th ed.) Citation

Symposium on Developing New Services, William R. George, and Claudia E. Marshall. Developing New Services. Chicago, Ill.: American Marketing Association, 1984.

MLA (9th ed.) Citation

Symposium on Developing New Services, et al. Developing New Services. American Marketing Association, 1984.