APA (7th ed.) Citation

O'Brien, J. J., & Zilly, R. G. (1991). Contractor's management handbook (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

O'Brien, James Jerome, and Robert G. Zilly. Contractor's Management Handbook. 2nd ed. New York: McGraw-Hill, 1991.

MLA (9th ed.) Citation

O'Brien, James Jerome, and Robert G. Zilly. Contractor's Management Handbook. 2nd ed. McGraw-Hill, 1991.