Tohutoro APA (7th ed.)

Kellerman, J. (2003). A cold heart (First edition.). Ballantine books.

Tohutoru Kātū Chicago (17th ed.)

Kellerman, Jonathan. A Cold Heart. First edition. New York: Ballantine books, 2003.

Tohutoro MLA (9th ed.)

Kellerman, Jonathan. A Cold Heart. First edition. Ballantine books, 2003.