APA (7th ed.) Citation

Lewy, H. (1949). Origin and Development of the Sexagesimal System of Numeration.

Chicago Style (17th ed.) Citation

Lewy, Hildegard. Origin and Development of the Sexagesimal System of Numeration. 1949.

MLA (8th ed.) Citation

Lewy, Hildegard. Origin and Development of the Sexagesimal System of Numeration. 1949.

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