APA (7th ed.) Citation

Heyer, G. (1970). The unfinished clue ([1st ed.].). E. P. Dutton.

Chicago Style (17th ed.) Citation

Heyer, Georgette. The Unfinished Clue. [1st ed.]. New York: E. P. Dutton, 1970.

MLA (9th ed.) Citation

Heyer, Georgette. The Unfinished Clue. [1st ed.]. E. P. Dutton, 1970.