APA (7th ed.) Citation

Dunbar, R. E. (1984). The heart and circulatory system. F. Watts.

Chicago Style (17th ed.) Citation

Dunbar, Robert E. The Heart and Circulatory System. New York: F. Watts, 1984.

MLA (9th ed.) Citation

Dunbar, Robert E. The Heart and Circulatory System. F. Watts, 1984.