APA (7th ed.) Citation

Tropman, J. E., & Morningstar, G. (1989). Entrepreneurial systems for the 1990s: Their creation, structure, and management. Quorum Books.

Chicago Style (17th ed.) Citation

Tropman, John E., and Gersh Morningstar. Entrepreneurial Systems for the 1990s: Their Creation, Structure, and Management. New York: Quorum Books, 1989.

MLA (9th ed.) Citation

Tropman, John E., and Gersh Morningstar. Entrepreneurial Systems for the 1990s: Their Creation, Structure, and Management. Quorum Books, 1989.