Cita APA (7a ed.)

Osborn, H. B., & Simmons, C. W. (1939). Countercurrent Absorption. Lehigh University.

Cita Chicago Style (17a ed.)

Osborn, Harry B., y Charles W. Simmons. Countercurrent Absorption. Bethlehen: Lehigh University, 1939.

Cita MLA (9a ed.)

Osborn, Harry B., y Charles W. Simmons. Countercurrent Absorption. Lehigh University, 1939.