APA (7th ed.) Citation

Wells, H. G., & Wells, F. (1966). The history of Mr. Polly. Collins.

Chicago Style (17th ed.) Citation

Wells, Herbert George, and Frank Wells. The History of Mr. Polly. London [etc.]: Collins, 1966.

MLA (9th ed.) Citation

Wells, Herbert George, and Frank Wells. The History of Mr. Polly. Collins, 1966.