APA (7th ed.) Citation

National Council of Teachers of Mathematics & Osborne, A. R. (1977). An In-service handbook for mathematics education. National Council of Teachers of Mathematics.

Chicago Style (17th ed.) Citation

National Council of Teachers of Mathematics and Alan R. Osborne. An In-service Handbook for Mathematics Education. Reston, VA: National Council of Teachers of Mathematics, 1977.

MLA (9th ed.) Citation

National Council of Teachers of Mathematics and Alan R. Osborne. An In-service Handbook for Mathematics Education. National Council of Teachers of Mathematics, 1977.