APA Style
Tyler, H.A.. (1980).
Environmental science level IV .
New York:
Van Nostrad.
Chicago Style
Tyler, H.A..
Environmental science level IV.
New York:
Van Nostrad,
1980.
Text.
MLA Style
Tyler, H.A..
Environmental science level IV.
New York:
Van Nostrad,
1980.
Text.
Turabian Style
Tyler, H.A..
Environmental science level IV.
New York:
Van Nostrad,
1980.
Print.