APA (7th ed.) Citation

Duncan, D. E. (1999). Historia del calendario (1a ed.). Emecé.

Chicago Style (17th ed.) Citation

Duncan, David Ewing. Historia Del Calendario. 1a ed. Buenos Aires: Emecé, 1999.

MLA (8th ed.) Citation

Duncan, David Ewing. Historia Del Calendario. 1a ed. Emecé, 1999.

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