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 (8th ed.) Citation

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