APA (7th ed.) Citation

Hubbard, L. R. (1990). The new grammar. Bridge Publications, Inc.

Chicago Style (17th ed.) Citation

Hubbard, L. Ron. The New Grammar. Los Angeles, California: Bridge Publications, Inc, 1990.

MLA (9th ed.) Citation

Hubbard, L. Ron. The New Grammar. Bridge Publications, Inc, 1990.