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}
}