Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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