APA Style
Hooghart, J, C. et al (1990).
Hydrological Research Basins and the Environment (No.44).
The Hague:
The Netherlands Organization for Applied.
MLA Style
Hooghart, J., C.. et al.
"Hydrological Research Basins and the Environment".
No.44
The Hague:
The Netherlands Organization for Applied,
1990.
Text.