Cita APA (7th ed.)

Hobhouse, L., & Ginsberg, M. (1951). Morals in evolution: A study in comparative ethics (7th ed.). Chapman & Hall.

Cita Chicago (17th ed.)

Hobhouse, L.T, i Morris Ginsberg. Morals in Evolution: A Study in Comparative Ethics. 7th ed. London: Chapman & Hall, 1951.

Cita MLA (8th ed.)

Hobhouse, L.T, i Morris Ginsberg. Morals in Evolution: A Study in Comparative Ethics. 7th ed. Chapman & Hall, 1951.