APA (7th ed.) Citation

Hopkins, T., & Jamison, W. (1982). How to master the art of selling. Grafton Books.

Chicago Style (17th ed.) Citation

Hopkins, Tom, and Warren Jamison. How to Master the Art of Selling. London.: Grafton Books, 1982.

MLA (9th ed.) Citation

Hopkins, Tom, and Warren Jamison. How to Master the Art of Selling. Grafton Books, 1982.