Cita APA (7a ed.)

Howells, W. W. (1962). Ideas on human evolution: Selected essays, 1949-1961. Harvard University Press.

Cita Chicago Style (17a ed.)

Howells, W. W. Ideas on Human Evolution: Selected Essays, 1949-1961. Cambridge (Massachusetts): Harvard University Press, 1962.

Cita MLA (9a ed.)

Howells, W. W. Ideas on Human Evolution: Selected Essays, 1949-1961. Harvard University Press, 1962.