APA-Zitierstil (7. Ausg.)

Smith, M. S. (1980). Chronological landmarks in American agriculture (Slightly rev.).

Chicago-Zitierstil (17. Ausg.)

Smith, Maryanna S. Chronological Landmarks in American Agriculture. Slightly rev. Washington, DC, 1980.

MLA-Zitierstil (9. Ausg.)

Smith, Maryanna S. Chronological Landmarks in American Agriculture. Slightly rev. 1980.