APA Style
Levens, A.S.,. (1965).
Graphical methods in research .
New York:
John Wiley & Sons.
Chicago Style
Levens, A.S.,.
Graphical methods in research.
New York:
John Wiley & Sons,
1965.
Text.
MLA Style
Levens, A.S.,.
Graphical methods in research.
New York:
John Wiley & Sons,
1965.
Text.
Turabian Style
Levens, A.S.,.
Graphical methods in research.
New York:
John Wiley & Sons,
1965.
Print.