Cita APA (7a ed.)

Gobi, J., & Zainer, J. (1480). Scala coeli. Johann Zainer.

Cita Chicago Style (17a ed.)

Gobi, Jean, y Johann Zainer. Scala Coeli. Ulm: Johann Zainer, 1480.

Cita MLA (9a ed.)

Gobi, Jean, y Johann Zainer. Scala Coeli. Johann Zainer, 1480.