APA (7th ed.) Citation

Willett, H. P. (1935). Peril in darkness. Paul.

Chicago Style (17th ed.) Citation

Willett, Hilda P. Peril in Darkness. London: Paul, 1935.

MLA (8th ed.) Citation

Willett, Hilda P. Peril in Darkness. Paul, 1935.

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