APA (7th ed.) Citation

Piddington, R. A. (1956). The limits of mankind: A philosophy of population. J. Wright & Sons.

Chicago Style (17th ed.) Citation

Piddington, Robert Alfred. The Limits of Mankind: A Philosophy of Population. Bristol: J. Wright & Sons, 1956.

MLA (9th ed.) Citation

Piddington, Robert Alfred. The Limits of Mankind: A Philosophy of Population. J. Wright & Sons, 1956.