Cita APA (7th ed.)

Langnes, G. L., Robertson, J. O., & Chilingar, G. V. (1972). Secondary recovery and carbonate reservoirs. American Elsevier.

Cita Chicago (17th ed.)

Langnes, Gerald L., John O. Robertson, i George V. Chilingar. Secondary Recovery and Carbonate Reservoirs. New York: American Elsevier, 1972.

Cita MLA (8th ed.)

Langnes, Gerald L., et al. Secondary Recovery and Carbonate Reservoirs. American Elsevier, 1972.