APA
Rijtema P E Ed, International conference on water in the unsaturated zone (1969 : Wegeningen) & Wassink H Ed. (1969). Proceeding on water in the unsaturated zone. : .
Chicago
Rijtema P E Ed, International conference on water in the unsaturated zone (1969 : Wegeningen) and Wassink H Ed. 1969. Proceeding on water in the unsaturated zone. : .
Harvard
Rijtema P E Ed, International conference on water in the unsaturated zone (1969 : Wegeningen) and Wassink H Ed. (1969). Proceeding on water in the unsaturated zone. : .
MLA
Rijtema P E Ed, International conference on water in the unsaturated zone (1969 : Wegeningen) and Wassink H Ed. Proceeding on water in the unsaturated zone. : . 1969.
