Zipf, George. 1935. The Psychobiology of Language: An Introduction to Dynamic Philology. Cambridge, Mass.: M.I.T. Press.
@book{Zipf-1935, address = {Cambridge, Mass.}, author = {Zipf, George}, publisher = {M.I.T. Press}, title = {The Psychobiology of Language: An Introduction to Dynamic Philology}, year = {1935} }