APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.