APA (7th ed.) Citation

Gunston, H. (1998). Field hydrology in tropical countries: A practical introduction. Intermediate Technology Publications.

Chicago Style (17th ed.) Citation

Gunston, Henry. Field Hydrology in Tropical Countries: A Practical Introduction. London, UK: Intermediate Technology Publications, 1998.

MLA (9th ed.) Citation

Gunston, Henry. Field Hydrology in Tropical Countries: A Practical Introduction. Intermediate Technology Publications, 1998.