APA (7th ed.) Citation

Morgan, D. (2017). Y origami?: Explorations in folding. American Mathematical Society.

Chicago Style (17th ed.) Citation

Morgan, David. Y Origami?: Explorations in Folding. Providence, Rhode Island: American Mathematical Society, 2017.

MLA (9th ed.) Citation

Morgan, David. Y Origami?: Explorations in Folding. American Mathematical Society, 2017.