Παραπομπή σε μορφή APA (7η εκδ.)

Poinsett, J. R. (1841). Discourse, on the objects and importance of the National Institution for the promotion of science: Established at Washington, 1840, delivered at the first anniversary. P. Force, Printer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Poinsett, Joel Roberts. Discourse, on the Objects and Importance of the National Institution for the Promotion of Science: Established at Washington, 1840, Delivered at the First Anniversary. Washington: P. Force, Printer, 1841.

Παραπομπή σε μορφή MLA (8th εκδ.)

Poinsett, Joel Roberts. Discourse, on the Objects and Importance of the National Institution for the Promotion of Science: Established at Washington, 1840, Delivered at the First Anniversary. P. Force, Printer, 1841.