Citazione Stile APA (7a Edizione)

Ellis, H. Varicose: How they are treated and what you can do to help.

Citazione stile Chigago Style (17a edizione)

Ellis, Harold. Varicose: How They Are Treated and What You Can Do to Help.

Citatione MLA (9a ed.)

Ellis, Harold. Varicose: How They Are Treated and What You Can Do to Help.