Cita APA (7a ed.)

T. Day, D. Mineral resources of the United States. Calendar year 1903 / David T. Day.

Cita Chicago Style (17a ed.)

T. Day, David. Mineral Resources of the United States. Calendar Year 1903 / David T. Day. Washington : government printing office, 1904.

Cita MLA (8a ed.)

T. Day, David. Mineral Resources of the United States. Calendar Year 1903 / David T. Day.

Precaución: Estas citas no son 100% exactas.