Gaya APA

Hearn, P, P. (1578). Authigenic Potassium Feldspar In Ribbon Rocks Of The Cambrian-Conococheague limestone, Western Maryland . : .

Gaya MLA

Hearn, Paul, P.. "Authigenic Potassium Feldspar In Ribbon Rocks Of The Cambrian-Conococheague limestone, Western Maryland". : , 1578. Text.