APA (7th ed.) Citation

Garnett, R. S., & Garnett, D. (1931). Some book-hunting adventures: A diversion. W. Blackwood & Sons.

Chicago Style (17th ed.) Citation

Garnett, R. S., and David Garnett. Some Book-hunting Adventures: A Diversion. Edinburgh ; London: W. Blackwood & Sons, 1931.

MLA (9th ed.) Citation

Garnett, R. S., and David Garnett. Some Book-hunting Adventures: A Diversion. W. Blackwood & Sons, 1931.