APA Style
Tivy, Joy, O'hare, Greg. (1993).
Human impact on the ecosystem: Conceptual Frameworks in geography .
New York:
Oliver.
Chicago Style
Tivy, Joy, O'hare, Greg.
Human impact on the ecosystem: Conceptual Frameworks in geography.
New York:
Oliver,
1993.
Text.
MLA Style
Tivy, Joy, O'hare, Greg.
Human impact on the ecosystem: Conceptual Frameworks in geography.
New York:
Oliver,
1993.
Text.
Turabian Style
Tivy, Joy, O'hare, Greg.
Human impact on the ecosystem: Conceptual Frameworks in geography.
New York:
Oliver,
1993.
Print.