APA (7th ed.) Citation

Grossmith, G., & Grossmith, W. (1997). The diary of a nobody. Bloomsbury.

Chicago Style (17th ed.) Citation

Grossmith, George, and Weedon Grossmith. The Diary of a Nobody. London: Bloomsbury, 1997.

MLA (9th ed.) Citation

Grossmith, George, and Weedon Grossmith. The Diary of a Nobody. Bloomsbury, 1997.

Warning: These citations may not always be 100% accurate.