APA (7e ed.) Bronvermelding

Martineau, J. (1901). Types of ethical theory (3rd, rev. ed.). Clarendon Press.

Chicago (17e ed.) Bronvermelding

Martineau, James. Types of Ethical Theory. 3rd, rev. ed. Oxford: Clarendon Press, 1901.

MLA (8e ed.) Bronvermelding

Martineau, James. Types of Ethical Theory. 3rd, rev. ed. Clarendon Press, 1901.