APA (7th ed.) Citation

Maynard, H. H. 1., Weidler, W. C. 1., & beckman, T. N. 1. (1939). Principles of marketing. The Ronald press company.

Chicago Style (17th ed.) Citation

Maynard, Harold Howard 1889, Walter Crothers 1888 Weidler, and Theodore N. 1894 beckman. Principles of Marketing. New York: The Ronald press company, 1939.

MLA (9th ed.) Citation

Maynard, Harold Howard 1889, et al. Principles of Marketing. The Ronald press company, 1939.