Cita APA (7a ed.)

Penman, H. L. (1963). Vegetation and hydrology. Commonwealth Agricultural Bureaux.

Cita Chicago Style (17a ed.)

Penman, Howard Latimer. Vegetation and Hydrology. Farnham Royal, Bucks, Eng: Commonwealth Agricultural Bureaux, 1963.

Cita MLA (9a ed.)

Penman, Howard Latimer. Vegetation and Hydrology. Commonwealth Agricultural Bureaux, 1963.