APA (7th ed.) Citation

Couper, E. (1977). Danger in scarlet. Hale.

Chicago Style (17th ed.) Citation

Couper, Elspeth. Danger in Scarlet. London: Hale, 1977.

MLA (8th ed.) Citation

Couper, Elspeth. Danger in Scarlet. Hale, 1977.

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