MLA

Langner, Lawrence, and James Laver. The Importance of Wearing Clothes. London: Constable, 1959.

APA

Langner, L., & Laver, J. (1959). The importance of wearing clothes. London: Constable.

Chicago

Langner, Lawrence, and James Laver. The Importance of Wearing Clothes. London: Constable, 1959.