APA (7th ed.) Citation

Hubbard, L. R. (2012). Literary correspondence: Letters and journals. Bridge Publications.

Chicago Style (17th ed.) Citation

Hubbard, L. Ron. Literary Correspondence: Letters and Journals. Commerce, California: Bridge Publications, 2012.

MLA (9th ed.) Citation

Hubbard, L. Ron. Literary Correspondence: Letters and Journals. Bridge Publications, 2012.