APA (7th ed.) Citation

Allen, P. (2011). Idea Man: A Memoir by the Co-founder of Microsoft. Portfolio Penguin.

Chicago Style (17th ed.) Citation

Allen, Paul. Idea Man: A Memoir by the Co-founder of Microsoft. London: Portfolio Penguin, 2011.

MLA (9th ed.) Citation

Allen, Paul. Idea Man: A Memoir by the Co-founder of Microsoft. Portfolio Penguin, 2011.