APA (7th ed.) Citation

LYSONS. (1991). Purchasing (2nd edition.). Pitman Publ.

Chicago Style (17th ed.) Citation

LYSONS. Purchasing. 2nd edition. London: Pitman Publ, 1991.

MLA (8th ed.) Citation

LYSONS. Purchasing. 2nd edition. Pitman Publ, 1991.

Warning: These citations may not always be 100% accurate.