APA

Gutjhr p. ., .popular American Literature of the 19 centry. New york :oxforde university, 2001: .

Chicago

Gutjhr paul, .popular American Literature of the 19 centry. New york :oxforde university, 2001: .

Harvard

Gutjhr p. ., .popular American Literature of the 19 centry. New york :oxforde university, 2001: .

MLA

Gutjhr paul, .New york :oxforde university, 2001: . .