APA (7th ed.) Citation

Klein, B. (1965). Eye for colour / by Bernat Klein. B. Klein.

Chicago Style (17th ed.) Citation

Klein, Bernat. Eye for Colour / by Bernat Klein. London: B. Klein, 1965.

MLA (9th ed.) Citation

Klein, Bernat. Eye for Colour / by Bernat Klein. B. Klein, 1965.

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