APA (7th ed.) Citation

DeGrood, D. H., Riepe, D. M., & Somerville, J. (1971). Radical currents in contemporary philosophy. W. H. Green.

Chicago Style (17th ed.) Citation

DeGrood, David H., Dale Maurice Riepe, and John Somerville. Radical Currents in Contemporary Philosophy. W. H. Green, 1971.

MLA (9th ed.) Citation

DeGrood, David H., et al. Radical Currents in Contemporary Philosophy. W. H. Green, 1971.