Cita APA (7a ed.)

Greene, H. (1889). Coal and the coal mines. Houghton, Mifflin and Company.

Cita Chicago Style (17a ed.)

Greene, Homer. Coal and the Coal Mines. Boston, New York: Houghton, Mifflin and Company, 1889.

Cita MLA (8a ed.)

Greene, Homer. Coal and the Coal Mines. Houghton, Mifflin and Company, 1889.