APA
Pike K. L., . (19571948). Tone languages. Ann Arbor: University of Michigan Press.
Chicago
Pike Kenneth L, . 19571948. Tone languages. Ann Arbor: University of Michigan Press.
Harvard
Pike K. L., . (19571948). Tone languages. Ann Arbor: University of Michigan Press.
MLA
Pike Kenneth L, . Tone languages. Ann Arbor: University of Michigan Press. 19571948.