APA (7th ed.) Citation

Cartland, B. (1969). The unknown heart. Hutchinson.

Chicago Style (17th ed.) Citation

Cartland, Barbara. The Unknown Heart. London: Hutchinson, 1969.

MLA (8th ed.) Citation

Cartland, Barbara. The Unknown Heart. Hutchinson, 1969.

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