The IFEEL pictures :
a new instrument for interpreting emotions /
editors, Robert N. Emde, Joy D. Osofsky, Perry M. Butterfield.
APA Citation
Butterfield, P. M., Osofsky, J. D., Emde, R. N. (1993). The IFEEL pictures: a new instrument for interpreting emotions. Madison, Conn.: International Universities Press.
MLA Citation
Butterfield, Perry M., 1932-, Joy D Osofsky, and Robert N Emde. The IFEEL Pictures: a New Instrument for Interpreting Emotions. Madison, Conn.: International Universities Press, 1993.
Warning: These citations may not always be complete (especially for serials).