APA (7th ed.) Citation

IBM Deutschland, Universit�at Bonn. Institut f�ur �Okonometrie und Operations Research, Workshop on integer programming, & Hammer, P. L. (1977). Studies in integer programming. North-Holland Publishing.

Chicago Style (17th ed.) Citation

IBM Deutschland, Universit�at Bonn. Institut f�ur �Okonometrie und Operations Research, Workshop on integer programming, and P. L. Hammer. Studies in Integer Programming. Amsterdam: North-Holland Publishing, 1977.

MLA (9th ed.) Citation

IBM Deutschland, et al. Studies in Integer Programming. North-Holland Publishing, 1977.