Citazione APA

McWhirter, N. (1974). Guinness book of records. Guinnes superlatives Ltd..

Stile di citazione Chicago

McWhirter, Norris. Guinness Book of Records. London: Guinnes superlatives Ltd., 1974.

Citazione MLA

McWhirter, Norris. Guinness Book of Records. Guinnes superlatives Ltd., 1974.