APA (7th ed.) Citation

Riddleberger, P. W. (1979). 1866, the critical year revisited. Southern Illinois University Press.

Chicago Style (17th ed.) Citation

Riddleberger, Patrick W. 1866, the Critical Year Revisited. Carbondale: Southern Illinois University Press, 1979.

MLA (9th ed.) Citation

Riddleberger, Patrick W. 1866, the Critical Year Revisited. Southern Illinois University Press, 1979.