APA (7th ed.) Citation

Shroyer, E. H., & Shroyer, S. P. (1984). Signs across America: A look at regional differences in American Sign Language. Gallaudet College Press.

Chicago Style (17th ed.) Citation

Shroyer, Edgar H., and Susan P. Shroyer. Signs Across America: A Look at Regional Differences in American Sign Language. Washington, D.C.: Gallaudet College Press, 1984.

MLA (9th ed.) Citation

Shroyer, Edgar H., and Susan P. Shroyer. Signs Across America: A Look at Regional Differences in American Sign Language. Gallaudet College Press, 1984.