APA (7th ed.) Citation

(1972). Conover-Mast purchasing directory. Cahners Publishing Co..

Chicago Style (17th ed.) Citation

Conover-Mast Purchasing Directory. Stamford, Conn.: Cahners Publishing Co., 1972.

MLA (9th ed.) Citation

Conover-Mast Purchasing Directory. Cahners Publishing Co., 1972.

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