APA (7th ed.) Citation

Trethowen, H. A. (1988). Air, Earth, Water - the sources of moisture. BRANZ.

Chicago Style (17th ed.) Citation

Trethowen, Harold A. Air, Earth, Water - the Sources of Moisture. Porirua: BRANZ, 1988.

MLA (9th ed.) Citation

Trethowen, Harold A. Air, Earth, Water - the Sources of Moisture. BRANZ, 1988.