APA (7th ed.) Citation

Vickers, G. (1983). Human systems are different / by Geoffrey Vickers. Harper & Row.

Chicago Style (17th ed.) Citation

Vickers, Geoffrey. Human Systems Are Different / by Geoffrey Vickers. London: Harper & Row, 1983.

MLA (9th ed.) Citation

Vickers, Geoffrey. Human Systems Are Different / by Geoffrey Vickers. Harper & Row, 1983.

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