Παραπομπή APA

Gray, R. J. (2004). A history of American literature. Blackwell Pub..

Παραπομπή Chicago Style

Gray, Richard J. A History of American Literature. Malden, MA: Blackwell Pub., 2004.

Παραπομπή MLA

Gray, Richard J. A History of American Literature. Blackwell Pub., 2004.