APA (7th ed.) Citation

Smith, P. I. S. (1971). Think tanks and problem solving. Business Books.

Chicago Style (17th ed.) Citation

Smith, Paul Ignatius Slee. Think Tanks and Problem Solving. London: Business Books, 1971.

MLA (9th ed.) Citation

Smith, Paul Ignatius Slee. Think Tanks and Problem Solving. Business Books, 1971.