Cita APA (7th ed.)

Marshall, R. (1939). Silviculture of the trees of Trinidad and Tobago. Oxford University Press.

Cita Chicago (17th ed.)

Marshall, R.C. Silviculture of the Trees of Trinidad and Tobago. London: Oxford University Press, 1939.

Cita MLA (9th ed.)

Marshall, R.C. Silviculture of the Trees of Trinidad and Tobago. Oxford University Press, 1939.