Cita APA (7a ed.)

Usunoff, E., Weinzettel, P., & Dietrich, S. (2009). Fluoride retardation from quartz sand-packed column tests.

Cita Chicago Style (17a ed.)

Usunoff, Eduardo, Pablo Weinzettel, y Sebastián Dietrich. Fluoride Retardation from Quartz Sand-packed Column Tests. 2009.

Cita MLA (8a ed.)

Usunoff, Eduardo, et al. Fluoride Retardation from Quartz Sand-packed Column Tests. 2009.