APA Style
CURTIS, HELENE. (1972).
INVITATION TO BIOLOGY .
NEW YORK:
.
Chicago Style
CURTIS, HELENE.
INVITATION TO BIOLOGY.
NEW YORK:
,
1972.
Text.
MLA Style
CURTIS, HELENE.
INVITATION TO BIOLOGY.
NEW YORK:
,
1972.
Text.
Turabian Style
CURTIS, HELENE.
INVITATION TO BIOLOGY.
NEW YORK:
,
1972.
Print.