APA ציטוט

Shelton, R., & Richard Shelton. (2007). The. Pittsburgh, Pa: University of Pittsburgh Press.

Trích dẫn kiểu Chicago

Shelton, Richard, và Richard Shelton. The. Pittsburgh, Pa: University of Pittsburgh Press, 2007.

ציטוט MLA

Shelton, Richard, và Richard Shelton. The. Pittsburgh, Pa: University of Pittsburgh Press, 2007.