Cita APA

Van Zele, M. A., & Schneider, O. (1993). Quiet solar geomagnetic variations at observatories in symmetrical latitudes during a minimum of solar activity. Web

Citación estilo Chicago

Van Zele, María Andrea, and Otto Schneider. Quiet Solar Geomagnetic Variations At Observatories in Symmetrical Latitudes During a Minimum of Solar Activity. 1993.

Cita MLA

Van Zele, María Andrea, and Otto Schneider. Quiet Solar Geomagnetic Variations At Observatories in Symmetrical Latitudes During a Minimum of Solar Activity. 1993.