Cita APA (7th ed.)
Freitas, M. H. (2009). Engineering Geology: Principles and Practice. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-68626-2
Cita Chicago (17th ed.)
Freitas, Michael H. Engineering Geology: Principles and Practice. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. https://doi.org/10.1007/978-3-540-68626-2.
Cita MLA (9th ed.)
Freitas, Michael H. Engineering Geology: Principles and Practice. Springer Berlin Heidelberg, 2009. https://doi.org/10.1007/978-3-540-68626-2.
Atenció: Aquestes cites poden no estar 100% correctes.