APA (7th ed.) Citation

HENDERSON. (1994). Bad backs: A self-help guide. World Readers Service.

Chicago Style (17th ed.) Citation

HENDERSON. Bad Backs: A Self-help Guide. Kuala Lumpur: World Readers Service, 1994.

MLA (9th ed.) Citation

HENDERSON. Bad Backs: A Self-help Guide. World Readers Service, 1994.