Citazione Stile APA (7a Edizione)

Ayerst, D. (1971). Guardian; biography of a newspaper. Collins.

Citazione stile Chigago Style (17a edizione)

Ayerst, David. Guardian; Biography of a Newspaper. London: Collins, 1971.

Citatione MLA (8a ed.)

Ayerst, David. Guardian; Biography of a Newspaper. Collins, 1971.