APA Style
Levin, Harold L.. (1983).
The Earth Thrugh Time (2nd ed).
Philadelpia:
.
Chicago Style
Levin, Harold L..
The Earth Thrugh Time.
2nd ed
Philadelpia:
,
1983.
.
MLA Style
Levin, Harold L..
The Earth Thrugh Time.
2nd ed
Philadelpia:
,
1983.
.
Turabian Style
Levin, Harold L..
The Earth Thrugh Time.
2nd ed
Philadelpia:
,
1983.
.