Cita APA (7a ed.)

Chilingar, G. V., & Yen, T. F. (1978). Bitumens, asphalts, and tar sands. Elsevier Scientific Pub. Co. ; Distributors for the U.S. and Canada, Elsevier North-Holland.

Cita Chicago Style (17a ed.)

Chilingar, George V., y Teh Fu Yen. Bitumens, Asphalts, and Tar Sands. Amsterdam ; New York : New York: Elsevier Scientific Pub. Co. ; Distributors for the U.S. and Canada, Elsevier North-Holland, 1978.

Cita MLA (8a ed.)

Chilingar, George V., y Teh Fu Yen. Bitumens, Asphalts, and Tar Sands. Elsevier Scientific Pub. Co. ; Distributors for the U.S. and Canada, Elsevier North-Holland, 1978.