Cita APA (7a ed.)

Barnard, C. (1964). Grasses and grasslands. Macmillan.

Cita Chicago Style (17a ed.)

Barnard, C. Grasses and Grasslands. London: Macmillan, 1964.

Cita MLA (8a ed.)

Barnard, C. Grasses and Grasslands. Macmillan, 1964.