APA (7th ed.) Citation

Parkinson, C. (1961). Parkinson`s Law (13th.). John Murray.

Chicago Style (17th ed.) Citation

Parkinson, C. Parkinson`s Law. 13th. London: John Murray, 1961.

MLA (9th ed.) Citation

Parkinson, C. Parkinson`s Law. 13th. John Murray, 1961.

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