Franklin

MLA

Smith, Isabel F. Anorthosite In the Piedmont Province of Pennsylvania. Bryn Mawr, Pa, 1923.

APA

Smith, I. F. (1923). Anorthosite in the Piedmont province of Pennsylvania. Bryn Mawr, Pa.

Chicago

Smith, Isabel F. Anorthosite In the Piedmont Province of Pennsylvania. Bryn Mawr, Pa., 1923.