APA (7th ed.) Citation

Eldridge, C. E. (1970). Marketing for profit. Macmillan.

Chicago Style (17th ed.) Citation

Eldridge, Clarence E. Marketing for Profit. [New York]: Macmillan, 1970.

MLA (9th ed.) Citation

Eldridge, Clarence E. Marketing for Profit. Macmillan, 1970.