APA Style
Carkhuff, Robert R.. (1987).
The Art of Helping VI .
:
HRD Press.
Chicago Style
Carkhuff, Robert R..
The Art of Helping VI.
:
HRD Press,
1987.
Text.
MLA Style
Carkhuff, Robert R..
The Art of Helping VI.
:
HRD Press,
1987.
Text.
Turabian Style
Carkhuff, Robert R..
The Art of Helping VI.
:
HRD Press,
1987.
Print.