APA (7th ed.) Citation

Allingham, M. (1978). The white cottage mystery. Penguin books.

Chicago Style (17th ed.) Citation

Allingham, Margery. The White Cottage Mystery. New York: Penguin books, 1978.

MLA (8th ed.) Citation

Allingham, Margery. The White Cottage Mystery. Penguin books, 1978.

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