APA

Christie A. 1., .The clocks. New York: Dodd Mead.

Chicago

Christie Agatha 1891-1976, .The clocks. New York: Dodd Mead.

Harvard

Christie A. 1., .The clocks. New York: Dodd Mead.

MLA

Christie Agatha 1891-1976, .New York: Dodd Mead. .