Citazione Stile APA (7a Edizione)

HARRIS, J. (1985). The Value of life: An introduction. Routledge.

Citazione stile Chigago Style (17a edizione)

HARRIS, John. The Value of Life: An Introduction. London: Routledge, 1985.

Citatione MLA (9a ed.)

HARRIS, John. The Value of Life: An Introduction. Routledge, 1985.