APA (7th ed.) Citation

Mamchak, P. S., & Mamchak, S. R. (1990). The new encyclopedia of school letters. Prentice Hall.

Chicago Style (17th ed.) Citation

Mamchak, P. Susan, and Steven R. Mamchak. The New Encyclopedia of School Letters. Englewood Cliffs, NJ: Prentice Hall, 1990.

MLA (9th ed.) Citation

Mamchak, P. Susan, and Steven R. Mamchak. The New Encyclopedia of School Letters. Prentice Hall, 1990.