APA Style

GUARDO, E., TUYL, A, V. (2015). Arithmetically Cohen-Macaulay Sets of Points in P^1 x P^1 (Ed. 1). Cham, Switzerland: Springer Cham.

MLA Style

GUARDO, Elena., TUYL, Adam, Van. "Arithmetically Cohen-Macaulay Sets of Points in P^1 x P^1". Ed. 1 Cham, Switzerland: Springer Cham, 2015. Text.