APA (7th ed.) Citation

Vredenburg, H. L. (1956). Trading stamps. Bureau of Business Research. School of Business, Indiana University.

Chicago Style (17th ed.) Citation

Vredenburg, Harvey L. Trading Stamps. [Bloomington]: Bureau of Business Research. School of Business, Indiana University, 1956.

MLA (9th ed.) Citation

Vredenburg, Harvey L. Trading Stamps. Bureau of Business Research. School of Business, Indiana University, 1956.

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