Παραπομπή σε μορφή APA (7η εκδ.)

Ward, M. (1827). Remarks, propositions and calculations: Relative to a railroad and locomotive engines to be used upon the same, from Baltimore to the Ohio River. Printed by J. D. Toy.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ward, Minus. Remarks, Propositions and Calculations: Relative to a Railroad and Locomotive Engines to Be Used upon the Same, from Baltimore to the Ohio River. Baltimore: Printed by J. D. Toy, 1827.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ward, Minus. Remarks, Propositions and Calculations: Relative to a Railroad and Locomotive Engines to Be Used upon the Same, from Baltimore to the Ohio River. Printed by J. D. Toy, 1827.