Cita APA (7a ed.)

Constantine, M., & Jacobson, E. (1961). Sign language for buildings and landscape. Reinhold.

Cita Chicago Style (17a ed.)

Constantine, Mildred, y Egbert Jacobson. Sign Language for Buildings and Landscape. New York: Reinhold, 1961.

Cita MLA (9a ed.)

Constantine, Mildred, y Egbert Jacobson. Sign Language for Buildings and Landscape. Reinhold, 1961.