APA (7th ed.) Citation

Rausch, E. (1968). Purchasing: A didactic game by. Science Research Assoc..

Chicago Style (17th ed.) Citation

Rausch, Erwin. Purchasing: A Didactic Game by. Chicago: Science Research Assoc., 1968.

MLA (8th ed.) Citation

Rausch, Erwin. Purchasing: A Didactic Game by. Science Research Assoc., 1968.