APA (7th ed.) Citation

Digby, J., & Digby, J. (1985). The collage handbook. Thames and Hudson.

Chicago Style (17th ed.) Citation

Digby, John, and Joan Digby. The Collage Handbook. London: Thames and Hudson, 1985.

MLA (9th ed.) Citation

Digby, John, and Joan Digby. The Collage Handbook. Thames and Hudson, 1985.

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