APA-viite

Brenes, J., Leandro, G., & Fernández Rojas, W. (1993). Variation of the geomagnetic field in Costa Rica during the total solar eclipse of July 11, 1991.

Chicago-tyylinen lähdeviittaus

Brenes, Jorge, German Leandro, ja Walter Fernández Rojas. Variation of the Geomagnetic Field in Costa Rica During the Total Solar Eclipse of July 11, 1991. 1993.

MLA-viite

Brenes, Jorge, German Leandro, ja Walter Fernández Rojas. Variation of the Geomagnetic Field in Costa Rica During the Total Solar Eclipse of July 11, 1991. 1993.

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