Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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