APA(7版)引用形式
Richards, D. A. J. (1989). Foundations of American constitutionalism. Oxford University Press.
Chicagoスタイル(17版)引用形式
Richards, David A. J. Foundations of American Constitutionalism. New York: Oxford University Press, 1989.
MLA(9版)引用形式
Richards, David A. J. Foundations of American Constitutionalism. Oxford University Press, 1989.
警告: この引用は必ずしも正確ではありません.