Citazione Stile APA (7a Edizione)

Maryland Geological Survey. (1973). Archeological studies. Dept. of Natural Resources, Maryland Geological Survey.

Citazione stile Chigago Style (17a edizione)

Maryland Geological Survey. Archeological Studies. [Baltimore, Md.]: Dept. of Natural Resources, Maryland Geological Survey, 1973.

Citatione MLA (8a ed.)

Maryland Geological Survey. Archeological Studies. Dept. of Natural Resources, Maryland Geological Survey, 1973.