Cita APA (7a ed.)

Santonja, J. T. i. (2003). Stratigraphy and Palaeontology in the mid-20th century at the University of Barcelona. Universitat de Barcelona.

Cita Chicago Style (17a ed.)

Santonja, J. Truyols i. Stratigraphy and Palaeontology in the Mid-20th Century at the University of Barcelona. Universitat de Barcelona, 2003.

Cita MLA (9a ed.)

Santonja, J. Truyols i. Stratigraphy and Palaeontology in the Mid-20th Century at the University of Barcelona. Universitat de Barcelona, 2003.

Precaución: Estas citas no son 100% exactas.