Cita APA (7a ed.)

Hager, D. (1915). Practical oil geology: The application of geology to oil field problems. McGraw-Hill book company, inc..

Cita Chicago Style (17a ed.)

Hager, Dorsey. Practical Oil Geology: The Application of Geology to Oil Field Problems. New York: McGraw-Hill book company, inc., 1915.

Cita MLA (8a ed.)

Hager, Dorsey. Practical Oil Geology: The Application of Geology to Oil Field Problems. McGraw-Hill book company, inc., 1915.