एपीए उद्धरण

Norris & Ross. (1974). Guinness book of records (21st.). Guiness Superlatives.

शिकागो स्टाइल उद्धरण

Norris और Ross. Guinness Book of Records. 21st. Middlesex: Guiness Superlatives, 1974.

एमएलए उद्धरण

Norris और Ross. Guinness Book of Records. 21st. Guiness Superlatives, 1974.