Cita APA (7a ed.)

Ashlock, D., & Lee, C. (2020). An introduction to proofs with set theory. Springer Nature.

Cita Chicago Style (17a ed.)

Ashlock, Daniel, y Colin Lee. An Introduction to Proofs with Set Theory. Switzerland: Springer Nature, 2020.

Cita MLA (9a ed.)

Ashlock, Daniel, y Colin Lee. An Introduction to Proofs with Set Theory. Springer Nature, 2020.