APA (7th ed.) Citation

Hubbard, L. R. (1990). Small common words defined. Bridge Publications.

Chicago Style (17th ed.) Citation

Hubbard, L. Ron. Small Common Words Defined. Los Angeles, California: Bridge Publications, 1990.

MLA (9th ed.) Citation

Hubbard, L. Ron. Small Common Words Defined. Bridge Publications, 1990.