APA

Gerry C. N., . (1923). Gold, silver, copper, lead and zinc in idaho and Washington in 1921. Washington, D.C: Government Printing Office.

Chicago

Gerry C N, . 1923. Gold, silver, copper, lead and zinc in idaho and Washington in 1921. Washington, D.C: Government Printing Office.

Harvard

Gerry C. N., . (1923). Gold, silver, copper, lead and zinc in idaho and Washington in 1921. Washington, D.C: Government Printing Office.

MLA

Gerry C N, . Gold, silver, copper, lead and zinc in idaho and Washington in 1921. Washington, D.C: Government Printing Office. 1923.