APA (7th ed.) Citation

Von Hippel, E. (1988). The sources of innovation / Eric von Hippel. Oxford University Press.

Chicago Style (17th ed.) Citation

Von Hippel, Eric. The Sources of Innovation / Eric Von Hippel. New York ; Oxford: Oxford University Press, 1988.

MLA (9th ed.) Citation

Von Hippel, Eric. The Sources of Innovation / Eric Von Hippel. Oxford University Press, 1988.

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