APA Style
RAMSEY, William L.. (1969).
Modern earth science .
New York:
Holt,Rinehart r Winston,.
Chicago Style
RAMSEY, William L..
Modern earth science.
New York:
Holt,Rinehart r Winston,,
1969.
Text.
MLA Style
RAMSEY, William L..
Modern earth science.
New York:
Holt,Rinehart r Winston,,
1969.
Text.
Turabian Style
RAMSEY, William L..
Modern earth science.
New York:
Holt,Rinehart r Winston,,
1969.
Print.