APA (7th ed.) Citation

Research and Education Association & Direct, F. M. (1980). Problem solver in strength of materials and mechanics of solids. Research and Education Association.

Chicago Style (17th ed.) Citation

Research and Education Association and Fogiel M. Direct. Problem Solver in Strength of Materials and Mechanics of Solids. New Jersey: Research and Education Association, 1980.

MLA (8th ed.) Citation

Research and Education Association and Fogiel M. Direct. Problem Solver in Strength of Materials and Mechanics of Solids. Research and Education Association, 1980.

Warning: These citations may not always be 100% accurate.