Cita APA

Río Andrade, J. C. d., González-Vila, F. J., & Martín Martínez, F. (1991). Biomarkers in the bitominous fraction of a spanish brown coal.

Citación estilo Chicago

Río Andrade, José Carlos del, Francisco Javier González-Vila, y Francisco Martín Martínez. Biomarkers in the Bitominous Fraction of a Spanish Brown Coal. 1991.

Cita MLA

Río Andrade, José Carlos del, Francisco Javier González-Vila, y Francisco Martín Martínez. Biomarkers in the Bitominous Fraction of a Spanish Brown Coal. 1991.