APA引文
Grad, F. P., & Williams, R. F. (2006). State constitutions for the twenty-first century. State University of New York Press.
Chicago Style (17th ed.) Citation
Grad, Frank P., and Robert F. Williams. State Constitutions for the Twenty-first Century. Albany: State University of New York Press, 2006.
MLA引文
Grad, Frank P., and Robert F. Williams. State Constitutions for the Twenty-first Century. State University of New York Press, 2006.
警告：這些引文格式不一定是100％准確.