APA

p. riggio t., . (2003). theodore dreiser. New York: the library of america.

Chicago

p. riggio thomas, . 2003. theodore dreiser. New York: the library of america.

Harvard

p. riggio t., . (2003). theodore dreiser. New York: the library of america.

MLA

p. riggio thomas, . theodore dreiser. New York: the library of america. 2003.