APA (7th ed.) Citation

Erskine, L. G. (1965). Protect your profit margins! American Management Association.

Chicago Style (17th ed.) Citation

Erskine, Louis Gillespie. Protect Your Profit Margins! New York: American Management Association, 1965.

MLA (9th ed.) Citation

Erskine, Louis Gillespie. Protect Your Profit Margins! American Management Association, 1965.

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