APA Style
GERKING, SHELBY D.. (1974).
Biological systems .
:
W. B. Sauders Company.
Chicago Style
GERKING, SHELBY D..
Biological systems.
:
W. B. Sauders Company,
1974.
TXB.
MLA Style
GERKING, SHELBY D..
Biological systems.
:
W. B. Sauders Company,
1974.
TXB.
Turabian Style
GERKING, SHELBY D..
Biological systems.
:
W. B. Sauders Company,
1974.
TXB.