APA (7th ed.) Citation

Ewing, I. (1993). How to be a great in sales.

Chicago Style (17th ed.) Citation

Ewing, Iain. How to Be a Great in Sales. Singapore, 1993.

MLA (9th ed.) Citation

Ewing, Iain. How to Be a Great in Sales. 1993.

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