APA (7th ed.) Citation

Walling, R. A. J. (1937). The mystery of Mr. Mock. Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Walling, R. A. J. The Mystery of Mr. Mock. London: Hodder and Stoughton, 1937.

MLA (8th ed.) Citation

Walling, R. A. J. The Mystery of Mr. Mock. Hodder and Stoughton, 1937.