Cita APA (7a ed.)

OpenStax (Nonprofit organization), Strang, G. a., & Herman, E. a. (2016). Calculus: Volume 1. OpenStax.

Cita Chicago Style (17a ed.)

OpenStax (Nonprofit organization), Gilbert author Strang, y Edwin author Herman. Calculus: Volume 1. [Place of publication not identified]: OpenStax, 2016.

Cita MLA (9a ed.)

OpenStax (Nonprofit organization), et al. Calculus: Volume 1. OpenStax, 2016.