APA
Chao Y. R., . (1968). Language and symbolic systems. Cambridge: University press.
Chicago
Chao Yuen Ren, . 1968. Language and symbolic systems. Cambridge: University press.
Harvard
Chao Y. R., . (1968). Language and symbolic systems. Cambridge: University press.
MLA
Chao Yuen Ren, . Language and symbolic systems. Cambridge: University press. 1968.