APA (7th ed.) Citation

Botelho, A., & Pinto, L. (2004). The diffusion of cellular phones in Portugal.

Chicago Style (17th ed.) Citation

Botelho, Anabela, and Lígia Pinto. The Diffusion of Cellular Phones in Portugal. 2004.

MLA (8th ed.) Citation

Botelho, Anabela, and Lígia Pinto. The Diffusion of Cellular Phones in Portugal. 2004.

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