Cita APA (7th ed.)
Roth, L. O., Crow, F. R., & Mahoney, G. W. A. (1975). An introduction to agricultural engineering. AVI Pub. Co..
Cita Chicago (17th ed.)
Roth, Lawrence O., Franklin R. Crow, i George William Arthur Mahoney. An Introduction to Agricultural Engineering. Westport, Conn.: AVI Pub. Co., 1975.
Cita MLA (9th ed.)
Roth, Lawrence O., et al. An Introduction to Agricultural Engineering. AVI Pub. Co., 1975.
Atenció: Aquestes cites poden no estar 100% correctes.