APA (7th ed.) Citation

Hubbard, L. R. Scientology: The fundamentals of thought.

Chicago Style (17th ed.) Citation

Hubbard, L. Ron. Scientology: The Fundamentals of Thought.

MLA (9th ed.) Citation

Hubbard, L. Ron. Scientology: The Fundamentals of Thought.

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