APA (7th ed.) Citation

Whittick, A. (1974). European architecture in the twentieth century. Abelard-Schuman.

Chicago Style (17th ed.) Citation

Whittick, Arnold. European Architecture in the Twentieth Century. New York: Abelard-Schuman, 1974.

MLA (9th ed.) Citation

Whittick, Arnold. European Architecture in the Twentieth Century. Abelard-Schuman, 1974.