Cita APA (7a ed.)

Ottinger, J. B., & Lombardi, A. (2019). Beginning Spring 5: From novice to professional. Apress.

Cita Chicago Style (17a ed.)

Ottinger, Joseph B., y Andrew Lombardi. Beginning Spring 5: From Novice to Professional. New York: Apress, 2019.

Cita MLA (8a ed.)

Ottinger, Joseph B., y Andrew Lombardi. Beginning Spring 5: From Novice to Professional. Apress, 2019.