APA (7th ed.) Citation

Ryan, R. (2009). Over 40 & you're hired!: Secrets to landing a great job. Penguin Books.

Chicago Style (17th ed.) Citation

Ryan, Robin. Over 40 & You're Hired!: Secrets to Landing a Great Job. New York: Penguin Books, 2009.

MLA (8th ed.) Citation

Ryan, Robin. Over 40 & You're Hired!: Secrets to Landing a Great Job. Penguin Books, 2009.

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