APA (7th ed.) Citation

Sears, J. H. (1905). The physical geography geology, mineralogy and paleontology of Essex County, Massachusetts. Essex Inst.

Chicago Style (17th ed.) Citation

Sears, John Henry. The Physical Geography Geology, Mineralogy and Paleontology of Essex County, Massachusetts. Salem, Mass: Essex Inst, 1905.

MLA (9th ed.) Citation

Sears, John Henry. The Physical Geography Geology, Mineralogy and Paleontology of Essex County, Massachusetts. Essex Inst, 1905.

Warning: These citations may not always be 100% accurate.