APA (7th ed.) Citation

Campbell-Harding, V., & Watts, P. (1989). Machine embroidery : stitch techniques / Valerie Campbell-Harding and Pamela Watts: Stitch techniques. Batsford.

Chicago Style (17th ed.) Citation

Campbell-Harding, Valerie, and Pamela Watts. Machine Embroidery : Stitch Techniques / Valerie Campbell-Harding and Pamela Watts: Stitch Techniques. London: Batsford, 1989.

MLA (9th ed.) Citation

Campbell-Harding, Valerie, and Pamela Watts. Machine Embroidery : Stitch Techniques / Valerie Campbell-Harding and Pamela Watts: Stitch Techniques. Batsford, 1989.

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