Cita APA (7th ed.)

Vonnegut, K. (1975). Wampeters foma & granfalloons (opinions). Cape.

Cita Chicago (17th ed.)

Vonnegut, Kurt. Wampeters Foma & Granfalloons (opinions). London: Cape, 1975.

Cita MLA (8th ed.)

Vonnegut, Kurt. Wampeters Foma & Granfalloons (opinions). Cape, 1975.