APA Style
Kirchem, Ronald Grigsby. (1983).
EARTH'S REGIONS .
United States of America:
McGraw-Hill, Inc.
Chicago Style
Kirchem, Ronald Grigsby.
EARTH'S REGIONS.
United States of America:
McGraw-Hill, Inc,
1983.
Text.
MLA Style
Kirchem, Ronald Grigsby.
EARTH'S REGIONS.
United States of America:
McGraw-Hill, Inc,
1983.
Text.
Turabian Style
Kirchem, Ronald Grigsby.
EARTH'S REGIONS.
United States of America:
McGraw-Hill, Inc,
1983.
Print.