APA (7th ed.) Citation

Watkin, E. I. (1950). A philosophy of form (3rd ed.). Sheed and Ward.

Chicago Style (17th ed.) Citation

Watkin, E. I. A Philosophy of Form. 3rd ed. London ; New York: Sheed and Ward, 1950.

MLA (8th ed.) Citation

Watkin, E. I. A Philosophy of Form. 3rd ed. Sheed and Ward, 1950.