APA Style
Nilsson,P.O. (1990).
XIX World Congress Division 3 .
Canada:
The Candadian IUFRO World Congress Organizing Committee.
Chicago Style
Nilsson,P.O.
XIX World Congress Division 3.
Canada:
The Candadian IUFRO World Congress Organizing Committee,
1990.
.
MLA Style
Nilsson,P.O.
XIX World Congress Division 3.
Canada:
The Candadian IUFRO World Congress Organizing Committee,
1990.
.
Turabian Style
Nilsson,P.O.
XIX World Congress Division 3.
Canada:
The Candadian IUFRO World Congress Organizing Committee,
1990.
.