Παραπομπή σε μορφή APA (7η εκδ.)

Etzler, J. A. (1833). The paradise within the reach of all men without labor, by powers of nature and machinery: An address to all intelligent men. In two parts. Etzler and Reinhold.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Etzler, J. A. The Paradise Within the Reach of All Men Without Labor, by Powers of Nature and Machinery: An Address to All Intelligent Men. In Two Parts. Pittsburgh, Pa.: Etzler and Reinhold, 1833.

Παραπομπή σε μορφή MLA (8th εκδ.)

Etzler, J. A. The Paradise Within the Reach of All Men Without Labor, by Powers of Nature and Machinery: An Address to All Intelligent Men. In Two Parts. Etzler and Reinhold, 1833.