Hoople, R. E., Piper, R. F., & Tolley, W. P. (1947). Preface to philosophy: A book of readings. Macmillan.
Style de citation Chicago (17e éd.)Hoople, Ross Earle, Raymond Frank Piper, et William Pearson Tolley. Preface to Philosophy: A Book of Readings. New York: Macmillan, 1947.
Style de citation MLA (9e éd.)Hoople, Ross Earle, et al. Preface to Philosophy: A Book of Readings. Macmillan, 1947.
Attention : ces citations peuvent ne pas être correctes à 100%.