Citazione Stile APA (7a Edizione)

Strange, J. M., & Ccrn, R. (1985). Gastrointestinal Problems (1st.). Medical Economics Books.

Citazione stile Chigago Style (17a edizione)

Strange, Julie Mull, e R.N Ccrn. Gastrointestinal Problems. 1st. New Jersey: Medical Economics Books, 1985.

Citatione MLA (9a ed.)

Strange, Julie Mull, e R.N Ccrn. Gastrointestinal Problems. 1st. Medical Economics Books, 1985.