APA

Jacobs W. R., Turner F. J., . (1968). The historical world of Frederick Jackson Turner, with selections from his correspondence. New Haven: Yale University Press.

Chicago

Jacobs Wilbur R, Turner Frederick Jackson, . 1968. The historical world of Frederick Jackson Turner, with selections from his correspondence. New Haven: Yale University Press.

Harvard

Jacobs W. R., Turner F. J., . (1968). The historical world of Frederick Jackson Turner, with selections from his correspondence. New Haven: Yale University Press.

MLA

Jacobs Wilbur R, Turner Frederick Jackson, . The historical world of Frederick Jackson Turner, with selections from his correspondence. New Haven: Yale University Press. 1968.