APA

Robertshaw J. E., Mecca S. J. & Rerick M. N. (1978). Problem solving, a systems approach. New York: Petrocelli Books.

Chicago

Robertshaw Joseph E, Mecca Stephen J and Rerick Mark N. 1978. Problem solving, a systems approach. New York: Petrocelli Books.

Harvard

Robertshaw J. E., Mecca S. J. and Rerick M. N. (1978). Problem solving, a systems approach. New York: Petrocelli Books.

MLA

Robertshaw Joseph E, Mecca Stephen J and Rerick Mark N. Problem solving, a systems approach. New York: Petrocelli Books. 1978.