Cita APA (7a ed.)

Permutt, C. (1983). Beyond the spectrum: A survey of supernormal photography. Stephens.

Cita Chicago Style (17a ed.)

Permutt, Cyril. Beyond the Spectrum: A Survey of Supernormal Photography. Cambridge: Stephens, 1983.

Cita MLA (9a ed.)

Permutt, Cyril. Beyond the Spectrum: A Survey of Supernormal Photography. Stephens, 1983.