APA (7th ed.) Citation

Bowlby, J. (1991). Charles Darwin: A new life (1. American ed.). Norton.

Chicago Style (17th ed.) Citation

Bowlby, John. Charles Darwin: A New Life. 1. American ed. New York u.a: Norton, 1991.

MLA (9th ed.) Citation

Bowlby, John. Charles Darwin: A New Life. 1. American ed. Norton, 1991.