APA (7th ed.) Citation

Alencar, M. S., & Rocha, V. C. d. (2005). Communication systems. Springer. https://doi.org/10.1007/b138483

Chicago Style (17th ed.) Citation

Alencar, Marcelo S., and Valdemar C. da Rocha. Communication Systems. New York: Springer, 2005. https://doi.org/10.1007/b138483.

MLA (9th ed.) Citation

Alencar, Marcelo S., and Valdemar C. da Rocha. Communication Systems. Springer, 2005. https://doi.org/10.1007/b138483.