APA (7th ed.) Citation

Whitehead, G. (1975). Commerce made simple. W.H. Allen.

Chicago Style (17th ed.) Citation

Whitehead, Geoffrey. Commerce Made Simple. London: W.H. Allen, 1975.

MLA (9th ed.) Citation

Whitehead, Geoffrey. Commerce Made Simple. W.H. Allen, 1975.

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