APA (7th ed.) Citation

Parkinson, C. N. (1967). Left luggage: From Marx to Wilson. Penguin Books.

Chicago Style (17th ed.) Citation

Parkinson, C. Northcote. Left Luggage: From Marx to Wilson. England: Penguin Books, 1967.

MLA (9th ed.) Citation

Parkinson, C. Northcote. Left Luggage: From Marx to Wilson. Penguin Books, 1967.