Weber, R. How old is the Triassic flora of Sonora and Tamaulipas and news on Leonardian floras in Puebla and Hidalgo, Mexico. Universidad Nacional Autónoma de México.
Chicago Style (17th ed.) CitationWeber, Reinhard. How Old Is the Triassic Flora of Sonora and Tamaulipas and News on Leonardian Floras in Puebla and Hidalgo, Mexico. Universidad Nacional Autónoma de México.
MLA (9th ed.) CitationWeber, Reinhard. How Old Is the Triassic Flora of Sonora and Tamaulipas and News on Leonardian Floras in Puebla and Hidalgo, Mexico. Universidad Nacional Autónoma de México.
Warning: These citations may not always be 100% accurate.