APA (7th ed.) Citation

Ward, E., & Fenwick, K. (1955). The London spy. Folio Society.

Chicago Style (17th ed.) Citation

Ward, Edward, and Kenneth Fenwick. The London Spy. London: Folio Society, 1955.

MLA (9th ed.) Citation

Ward, Edward, and Kenneth Fenwick. The London Spy. Folio Society, 1955.