Cita APA (7th ed.)

Morland, D. (1974). Heart clock (1st NEL pbk. ed.). New English Library ; Times Mirror.

Cita Chicago (17th ed.)

Morland, Dick. Heart Clock. 1st NEL pbk. ed. London: New English Library ; Times Mirror, 1974.

Cita MLA (8th ed.)

Morland, Dick. Heart Clock. 1st NEL pbk. ed. New English Library ; Times Mirror, 1974.