APA (7th ed.) Citation

Parkinson, C. N. (1965). Parkinson's law. Penguin.

Chicago Style (17th ed.) Citation

Parkinson, C. Northcote. Parkinson's Law. Harmondsworth, Middlesex: Penguin, 1965.

MLA (8th ed.) Citation

Parkinson, C. Northcote. Parkinson's Law. Penguin, 1965.