APA (7th ed.) Citation

School Mathematics Study Group. (1968). Puzzle problems and games project: Final report. Leland Stanford Junior University.

Chicago Style (17th ed.) Citation

School Mathematics Study Group. Puzzle Problems and Games Project: Final Report. Stanford, CA: Leland Stanford Junior University, 1968.

MLA (9th ed.) Citation

School Mathematics Study Group. Puzzle Problems and Games Project: Final Report. Leland Stanford Junior University, 1968.