APA (7th ed.) Citation

Chang, C. C. (1940). China tung oil and its future. China vegetable oil corporation.

Chicago Style (17th ed.) Citation

Chang, Chao-yuan Cheng. China Tung Oil and Its Future. Hong Kong, China: China vegetable oil corporation, 1940.

MLA (9th ed.) Citation

Chang, Chao-yuan Cheng. China Tung Oil and Its Future. China vegetable oil corporation, 1940.