APA Style
RAVEN,PETER H. & JOHNSON, GEORGE B.. (1988).
UNDERSTANDING BIOLOGY .
:
CALIFORNIA , 1981.
Chicago Style
RAVEN,PETER H. & JOHNSON, GEORGE B..
UNDERSTANDING BIOLOGY.
:
CALIFORNIA , 1981,
1988.
Text.
MLA Style
RAVEN,PETER H. & JOHNSON, GEORGE B..
UNDERSTANDING BIOLOGY.
:
CALIFORNIA , 1981,
1988.
Text.
Turabian Style
RAVEN,PETER H. & JOHNSON, GEORGE B..
UNDERSTANDING BIOLOGY.
:
CALIFORNIA , 1981,
1988.
Print.