Cita APA (7a ed.)

(1977). The encyclopaedia of ignorance: Everything you ever wanted to know about the unknown. Pergamon Press.

Cita Chicago Style (17a ed.)

The Encyclopaedia of Ignorance: Everything You Ever Wanted to Know About the Unknown. Oxford: Pergamon Press, 1977.

Cita MLA (9a ed.)

The Encyclopaedia of Ignorance: Everything You Ever Wanted to Know About the Unknown. Pergamon Press, 1977.