APA引文

Chen, P. S. (1950). Syntans and newer methods of tanning. The Chemical Elements.

Chicago Style (17th ed.) Citation

Chen, Philip Stanley. Syntans and Newer Methods of Tanning. South Lancaster, MA: The Chemical Elements, 1950.

MLA引文

Chen, Philip Stanley. Syntans and Newer Methods of Tanning. The Chemical Elements, 1950.