APA Style
TURNER, Jeffrey S, Helms, Donald B. (1979).
Life span development .
Philadelphia:
W.B.Saunders.
Chicago Style
TURNER, Jeffrey S, Helms, Donald B.
Life span development.
Philadelphia:
W.B.Saunders,
1979.
Text.
MLA Style
TURNER, Jeffrey S, Helms, Donald B.
Life span development.
Philadelphia:
W.B.Saunders,
1979.
Text.
Turabian Style
TURNER, Jeffrey S, Helms, Donald B.
Life span development.
Philadelphia:
W.B.Saunders,
1979.
Print.