Cita APA (7a ed.)

Hollander, J. E. (2018). Signo de Wellens. McGraw-Hill Education LLC..

Cita Chicago Style (17a ed.)

Hollander, Judd E. Signo De Wellens. New York, N.Y.: McGraw-Hill Education LLC., 2018.

Cita MLA (9a ed.)

Hollander, Judd E. Signo De Wellens. McGraw-Hill Education LLC., 2018.