Cita APA (7th ed.)

Villaverde, R. (2009). Fundamental concepts of earthquake engineering. CRC Press Taylor & Francis Group.

Cita Chicago (17th ed.)

Villaverde, Roberto. Fundamental Concepts of Earthquake Engineering. Boca Raton, USA: CRC Press Taylor & Francis Group, 2009.

Cita MLA (9th ed.)

Villaverde, Roberto. Fundamental Concepts of Earthquake Engineering. CRC Press Taylor & Francis Group, 2009.