APA (7th ed.) Citation

Knapp, B. J. (1973). A system for the field measurement of soil water movement. Geo Abstracts.

Chicago Style (17th ed.) Citation

Knapp, Brian J. A System for the Field Measurement of Soil Water Movement. Norwich: Geo Abstracts, 1973.

MLA (9th ed.) Citation

Knapp, Brian J. A System for the Field Measurement of Soil Water Movement. Geo Abstracts, 1973.

Warning: These citations may not always be 100% accurate.