APA (7th ed.) Citation

Horst, D. P. (1972). Primary school readiness testing: Feasibility study. Regional Center for Educational Innovation and Technology].

Chicago Style (17th ed.) Citation

Horst, Donald P. Primary School Readiness Testing: Feasibility Study. [Singapore?]: Regional Center for Educational Innovation and Technology], 1972.

MLA (8th ed.) Citation

Horst, Donald P. Primary School Readiness Testing: Feasibility Study. Regional Center for Educational Innovation and Technology], 1972.