Cita APA

González-Vila, F. J., Martín Martínez, F., Río Andrade, J. C. d., & Fründ, R. (1992). Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite deposits.

Citación estilo Chicago

González-Vila, Francisco Javier, Francisco Martín Martínez, José Carlos del Río Andrade, y R. Fründ. Structural Characteristics and Geochemical Significance of Humic Acids Isolated From Three Spanish Lignite Deposits. 1992.

Cita MLA

González-Vila, Francisco Javier, Francisco Martín Martínez, José Carlos del Río Andrade, y R. Fründ. Structural Characteristics and Geochemical Significance of Humic Acids Isolated From Three Spanish Lignite Deposits. 1992.