APA (7th ed.) Citation

Duggar, J. F. (1923). Agriculture for southern schools (Rev. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Duggar, J. F. Agriculture for Southern Schools. Rev. ed. New York: Macmillan, 1923.

MLA (9th ed.) Citation

Duggar, J. F. Agriculture for Southern Schools. Rev. ed. Macmillan, 1923.