APA (7th ed.) Citation

Blanshard, B., Hendel, C. W., Randall, J. H., & Tolley, W. P. (1946). Preface to philosophy: Textbook. Macmillan.

Chicago Style (17th ed.) Citation

Blanshard, Brand, Charles William Hendel, John Herman Randall, and William Pearson Tolley. Preface to Philosophy: Textbook. New York: Macmillan, 1946.

MLA (9th ed.) Citation

Blanshard, Brand, et al. Preface to Philosophy: Textbook. Macmillan, 1946.