APA-viite

(1971). So You Have Cataracts. What You and Your Family Should Know.

Chicago-tyylinen lähdeviittaus

So You Have Cataracts. What You and Your Family Should Know. 1971.

MLA-viite

So You Have Cataracts. What You and Your Family Should Know. 1971.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.