APA (7th ed.) Citation

Hartley, L. P. (1946). The sixth heaven (1. publ.). Putnam.

Chicago Style (17th ed.) Citation

Hartley, Leslie P. The Sixth Heaven. 1. publ. London: Putnam, 1946.

MLA (9th ed.) Citation

Hartley, Leslie P. The Sixth Heaven. 1. publ. Putnam, 1946.

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