Cita APA (7a ed.)

Lawrence, T., Toll, J., & Van Sloten, D. H. (1986). Root and tuber crops cassava potato sweet potato yams and others. IBPGR.

Cita Chicago Style (17a ed.)

Lawrence, T., J. Toll, y D. H. Van Sloten. Root and Tuber Crops Cassava Potato Sweet Potato Yams and Others. Rome: IBPGR, 1986.

Cita MLA (8a ed.)

Lawrence, T., et al. Root and Tuber Crops Cassava Potato Sweet Potato Yams and Others. IBPGR, 1986.