Hartmann, E. d., & Zozaya, A. (1888). La Religion del Porvenir. [editor no identificat].
Chicago Style (17th ed.) CitationHartmann, Eduardo de, and Antonio Zozaya. La Religion Del Porvenir. Madrid: [editor no identificat], 1888.
MLA (9th ed.) CitationHartmann, Eduardo de, and Antonio Zozaya. La Religion Del Porvenir. [editor no identificat], 1888.
Warning: These citations may not always be 100% accurate.