APA Style
Wallich, C., Preston,R.J. (1977).
North American Trees (Exclusive of Mexico and Tropical United States, 3rd Edition) .
Lowa:
The Lowa State University Press.
Chicago Style
Wallich, C., Preston,R.J.
North American Trees (Exclusive of Mexico and Tropical United States, 3rd Edition).
Lowa:
The Lowa State University Press,
1977.
.
MLA Style
Wallich, C., Preston,R.J.
North American Trees (Exclusive of Mexico and Tropical United States, 3rd Edition).
Lowa:
The Lowa State University Press,
1977.
.
Turabian Style
Wallich, C., Preston,R.J.
North American Trees (Exclusive of Mexico and Tropical United States, 3rd Edition).
Lowa:
The Lowa State University Press,
1977.
.