APA (7th ed.) Citation

Kalff, L. C. (1971). Creative light / (by) L.C. Kalff. Macmillan.

Chicago Style (17th ed.) Citation

Kalff, L C. Creative Light / (by) L.C. Kalff. London: Macmillan, 1971.

MLA (9th ed.) Citation

Kalff, L C. Creative Light / (by) L.C. Kalff. Macmillan, 1971.

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