Cita APA

Youngner, V., & McKell, C. M. (1972). The biology and utilization of grasses. Academic press.

Citación estilo Chicago

Youngner, V.B., and C. M. McKell. The Biology and Utilization of Grasses. New York: Academic press, 1972.

Cita MLA

Youngner, V.B., and C. M. McKell. The Biology and Utilization of Grasses. New York: Academic press, 1972.