Cita APA (7a ed.)

Goldsmith, E., & Willson, R. (1977). The doomsday fun book: Seven years of satirical comments from The Ecologist. Wadebridge Ecological Centre.

Cita Chicago Style (17a ed.)

Goldsmith, Edward, y Richard Willson. The Doomsday Fun Book: Seven Years of Satirical Comments from The Ecologist. Cornwall: Wadebridge Ecological Centre, 1977.

Cita MLA (9a ed.)

Goldsmith, Edward, y Richard Willson. The Doomsday Fun Book: Seven Years of Satirical Comments from The Ecologist. Wadebridge Ecological Centre, 1977.