APA (7th ed.) Citation

Ordoñez, R. L. E. (1998). Solving the American League umpire crew scheduling problem using constraint login programming. UMI Company.

Chicago Style (17th ed.) Citation

Ordoñez, René Leo E. Solving the American League Umpire Crew Scheduling Problem Using Constraint Login Programming. Ann Arbor Michigan: UMI Company, 1998.

MLA (9th ed.) Citation

Ordoñez, René Leo E. Solving the American League Umpire Crew Scheduling Problem Using Constraint Login Programming. UMI Company, 1998.