APA (7th ed.) Citation

Hubbard, L. R. (1989). Introduction to scientology ethics.

Chicago Style (17th ed.) Citation

Hubbard, L. Ron. Introduction to Scientology Ethics. Copenhagen New Era Publications, 1989.

MLA (9th ed.) Citation

Hubbard, L. Ron. Introduction to Scientology Ethics. 1989.

Warning: These citations may not always be 100% accurate.