APA (7th ed.) Citation

Mackail, D. G. (1942). Life with Topsy. W. Heinemann.

Chicago Style (17th ed.) Citation

Mackail, Denis George. Life with Topsy. London ; Toronto: W. Heinemann, 1942.

MLA (9th ed.) Citation

Mackail, Denis George. Life with Topsy. W. Heinemann, 1942.