APA (7th ed.) Citation

Lang, R. J. (2011). Origami design secrets: Mathematical methods for an ancient art (2nd.). CRC Press.

Chicago Style (17th ed.) Citation

Lang, Robert J. Origami Design Secrets: Mathematical Methods for an Ancient Art. 2nd. Boca Raton: CRC Press, 2011.

MLA (9th ed.) Citation

Lang, Robert J. Origami Design Secrets: Mathematical Methods for an Ancient Art. 2nd. CRC Press, 2011.

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