APA (7e ed.) Bronvermelding

Power, J. (1968). How life begins: The exciting story of human and animal birth. Simon and Schuster.

Chicago (17e ed.) Bronvermelding

Power, Jules. How Life Begins: The Exciting Story of Human and Animal Birth. New York: Simon and Schuster, 1968.

MLA (9e ed.) Bronvermelding

Power, Jules. How Life Begins: The Exciting Story of Human and Animal Birth. Simon and Schuster, 1968.