APA (7th ed.) Citation

Whitehead, G. (1982). Commerce made simple. Made Simple Books.

Chicago Style (17th ed.) Citation

Whitehead, G.M. Commerce Made Simple. Heinemann: Made Simple Books, 1982.

MLA (9th ed.) Citation

Whitehead, G.M. Commerce Made Simple. Made Simple Books, 1982.

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