Cites del registre

Cita APA (7th ed.)
Clark William Bullock, Whitney Milton, Bonsteel J. A., & Burke B. T. A. (1902). Map of Calvert county showing the Agricultural soils. U. S. Bureau of Soils.
Cita Chicago (17th ed.)
Clark William Bullock, Whitney Milton, Bonsteel J. A., i Burke B. T. A. Map of Calvert County Showing the Agricultural Soils. U. S. Bureau of Soils, 1902.
Cita MLA (9th ed.)
Clark William Bullock, et al. Map of Calvert County Showing the Agricultural Soils. U. S. Bureau of Soils, 1902.
Atenció: Aquestes cites poden no estar 100% correctes.