Cita APA (7a ed.)

Martin, J. W., & Martin, J. W. (1982). Surface mining equipment. Martin Consultants.

Cita Chicago Style (17a ed.)

Martin, James W., y James W. Martin. Surface Mining Equipment. Golden, Colo.: Martin Consultants, 1982.

Cita MLA (9a ed.)

Martin, James W., y James W. Martin. Surface Mining Equipment. Martin Consultants, 1982.