APA (7th ed.) Citation

Shenton, J. P. (1961). Robert John Walker: A politician from Jackson to Lincoln. Columbia University Press.

Chicago Style (17th ed.) Citation

Shenton, James P. Robert John Walker: A Politician from Jackson to Lincoln. New York: Columbia University Press, 1961.

MLA (9th ed.) Citation

Shenton, James P. Robert John Walker: A Politician from Jackson to Lincoln. Columbia University Press, 1961.