Cita APA (7th ed.)
Fisher, W. L. (1963). Lignites of the Texas Gulf Coastal Plain.
Cita Chicago (17th ed.)
Fisher, W. L. Lignites of the Texas Gulf Coastal Plain. Texas, 1963.
Cita MLA (9th ed.)
Fisher, W. L. Lignites of the Texas Gulf Coastal Plain. 1963.
Atenció: Aquestes cites poden no estar 100% correctes.