APA Style
LONG, Calvin T.. (1972).
Elementary introduction to number theory (2nd ed.).
London:
D.C.Heath and Company.
Chicago Style
LONG, Calvin T..
Elementary introduction to number theory.
2nd ed.
London:
D.C.Heath and Company,
1972.
Text.
MLA Style
LONG, Calvin T..
Elementary introduction to number theory.
2nd ed.
London:
D.C.Heath and Company,
1972.
Text.
Turabian Style
LONG, Calvin T..
Elementary introduction to number theory.
2nd ed.
London:
D.C.Heath and Company,
1972.
Print.