Cita APA (7a ed.)

Barnard, C. S. (1966). Grasses and grasslands. Macmillan.

Cita Chicago Style (17a ed.)

Barnard, C. S. Grasses and Grasslands. London: Macmillan, 1966.

Cita MLA (8a ed.)

Barnard, C. S. Grasses and Grasslands. Macmillan, 1966.