APA (7th ed.) Citation

Ask, G., & Ask, H. (1971). Simple paper craft. Batsford.

Chicago Style (17th ed.) Citation

Ask, Gunvor, and Harriet Ask. Simple Paper Craft. London: Batsford, 1971.

MLA (9th ed.) Citation

Ask, Gunvor, and Harriet Ask. Simple Paper Craft. Batsford, 1971.

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