APA (7th ed.) Citation

Barnard, C. (1983). Junior body machine: How the human body works (1st American ed.). Crown.

Chicago Style (17th ed.) Citation

Barnard, Christiaan. Junior Body Machine: How the Human Body Works. 1st American ed. New York: Crown, 1983.

MLA (9th ed.) Citation

Barnard, Christiaan. Junior Body Machine: How the Human Body Works. 1st American ed. Crown, 1983.