APA (7th ed.) Citation

Alencar, M. S., & Rocha, V. C. (2005). Communication systems. Springer.

Chicago Style (17th ed.) Citation

Alencar, Marcelo S., and Valdemar C. Rocha. Communication Systems. Boston, MA: Springer, 2005.

MLA (8th ed.) Citation

Alencar, Marcelo S., and Valdemar C. Rocha. Communication Systems. Springer, 2005.

Warning: These citations may not always be 100% accurate.