Citazione APA

Curtis, G. T. (1887). Creation or evolution?: A philosophical inquiry. Appleton.

Stile di citazione Chicago

Curtis, George Ticknor. Creation or Evolution?: A Philosophical Inquiry. New York: Appleton, 1887.

Citazione MLA

Curtis, George Ticknor. Creation or Evolution?: A Philosophical Inquiry. Appleton, 1887.