APA-referens

Ayres, S. (1940). Subject: Essay Contest for High School Students: Under Sponsorship of the Committee on Public Health Education of the California Medical Association.

Chicago-stil citat

Ayres, Samuel. Subject: Essay Contest for High School Students: Under Sponsorship of the Committee On Public Health Education of the California Medical Association. 1940.

MLA-referens

Ayres, Samuel. Subject: Essay Contest for High School Students: Under Sponsorship of the Committee On Public Health Education of the California Medical Association. 1940.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.