APA
Keen M., . (1970). The Human body - How and why wonder book. London: Transworld publishers.
Chicago
Keen Martin, . 1970. The Human body - How and why wonder book. London: Transworld publishers.
Harvard
Keen M., . (1970). The Human body - How and why wonder book. London: Transworld publishers.
MLA
Keen Martin, . The Human body - How and why wonder book. London: Transworld publishers. 1970.