APA (7th ed.) Citation

Allingham, M. (1954). Mr. Campion and others.

Chicago Style (17th ed.) Citation

Allingham, Margery. Mr. Campion and Others. 1954.

MLA (9th ed.) Citation

Allingham, Margery. Mr. Campion and Others. 1954.

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