APA(7版)引用形式
Ojakangas, R. W., & Matsch, C. L. (1982). Minnesota's geology. University of Minnesota Press.
Chicagoスタイル(17版)引用形式
Ojakangas, Richard W., , Charles L. Matsch. Minnesota's Geology. Minneapolis: University of Minnesota Press, 1982.
MLA(9版)引用形式
Ojakangas, Richard W., , Charles L. Matsch. Minnesota's Geology. University of Minnesota Press, 1982.
警告: この引用は必ずしも正確ではありません.