Cita APA (7a ed.)

Pennan, H. (1963). Vegetación and hydrology. Commonwealth Bureau of Soils.

Cita Chicago Style (17a ed.)

Pennan, H. Vegetación and Hydrology. England: Commonwealth Bureau of Soils, 1963.

Cita MLA (8a ed.)

Pennan, H. Vegetación and Hydrology. Commonwealth Bureau of Soils, 1963.