APA Style

Grulke, W., Silber, G. (2001). Lesson in Radical Innovation: out of the box - straight to the bottom line (1). London: Prentice Hall.

MLA Style

Grulke, Wolfgang., Silber, Gus. "Lesson in Radical Innovation: out of the box - straight to the bottom line". 1 London: Prentice Hall, 2001. Text.