Cita APA (7th ed.)
Montgomery, E. G. (1916). Productive Farm Crops. Lippincott.
Cita Chicago (17th ed.)
Montgomery, Edward Gerrard. Productive Farm Crops. Philadelphia, London: Lippincott, 1916.
Cita MLA (9th ed.)
Montgomery, Edward Gerrard. Productive Farm Crops. Lippincott, 1916.
Atenció: Aquestes cites poden no estar 100% correctes.