APA (7th ed.) Citation

Peter, D. L. (1969). The Peter Principle: Why Things always go Wrong. Penguin.

Chicago Style (17th ed.) Citation

Peter, Dr. Laurence. The Peter Principle: Why Things Always Go Wrong. Penguin, 1969.

MLA (9th ed.) Citation

Peter, Dr. Laurence. The Peter Principle: Why Things Always Go Wrong. Penguin, 1969.

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