APA (7th ed.) Citation

Graeme, B. (1929). Trouble! George G. Harrap.

Chicago Style (17th ed.) Citation

Graeme, Bruce. Trouble! London: George G. Harrap, 1929.

MLA (8th ed.) Citation

Graeme, Bruce. Trouble! George G. Harrap, 1929.

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