APA (7th ed.) Citation

Schröder, W. (1999). On the existence of solar variations in the 16th to 18th centuries. Universidad Nacional Autónoma de México.

Chicago Style (17th ed.) Citation

Schröder, W. On the Existence of Solar Variations in the 16th to 18th Centuries. Universidad Nacional Autónoma de México, 1999.

MLA (9th ed.) Citation

Schröder, W. On the Existence of Solar Variations in the 16th to 18th Centuries. Universidad Nacional Autónoma de México, 1999.

Warning: These citations may not always be 100% accurate.