APA

Howatch S., . (1971). Penmarric. New York: Simon and Schuster.

Chicago

Howatch Susan, . 1971. Penmarric. New York: Simon and Schuster.

Harvard

Howatch S., . (1971). Penmarric. New York: Simon and Schuster.

MLA

Howatch Susan, . Penmarric. New York: Simon and Schuster. 1971.