APA

Ackoff R. L., Illustrated by Karen Ackoff B, . (1978). The art of problem solving. New York: A Wiley- Interscience Publication.

Chicago

Ackoff Russell L, Illustrated by Karen Ackoff B, . 1978. The art of problem solving. New York: A Wiley- Interscience Publication.

Harvard

Ackoff R. L., Illustrated by Karen Ackoff B, . (1978). The art of problem solving. New York: A Wiley- Interscience Publication.

MLA

Ackoff Russell L, Illustrated by Karen Ackoff B, . The art of problem solving. New York: A Wiley- Interscience Publication. 1978.