APA (7th ed.) Zitazioa

Billington, R. (1978). Health has many faces. Edinburgh House.

Chicago Style (17th ed.) Zitazioa

Billington, Roy. Health Has Many Faces. London: Edinburgh House, 1978.

MLA (9th ed.) Zitazioa

Billington, Roy. Health Has Many Faces. Edinburgh House, 1978.