APA
Penman HL, . (1948). Natural evaporation from open water, bare soil and grass. : Proceedings of the Royal Society of London. Ser A.
Chicago
Penman HL, . 1948. Natural evaporation from open water, bare soil and grass. : Proceedings of the Royal Society of London. Ser A.
Harvard
Penman HL, . (1948). Natural evaporation from open water, bare soil and grass. : Proceedings of the Royal Society of London. Ser A.
MLA
Penman HL, . Natural evaporation from open water, bare soil and grass. : Proceedings of the Royal Society of London. Ser A. 1948.