APA (7th ed.) Citation

Teggart, F. J. (1925). Theory of history. Yale Univ. Press [u.a.].

Chicago Style (17th ed.) Citation

Teggart, Frederick John. Theory of History. New Haven: Yale Univ. Press [u.a.], 1925.

MLA (9th ed.) Citation

Teggart, Frederick John. Theory of History. Yale Univ. Press [u.a.], 1925.