APA (7th ed.) Citation

Hartmann, N. (1950). Ethics (2nd. ed.). Aguilar.

Chicago Style (17th ed.) Citation

Hartmann, Nicolai. Ethics. 2nd. ed. [Gran Bretaña]: Aguilar, 1950.

MLA (8th ed.) Citation

Hartmann, Nicolai. Ethics. 2nd. ed. Aguilar, 1950.

Warning: These citations may not always be 100% accurate.