APA (7 वां संस्करण) प्रशस्ति पत्र

(1855). The present situation and future prospects of American railroads. Printed by T.K. and P.G. Collins.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

The Present Situation and Future Prospects of American Railroads. Philadelphia: Printed by T.K. and P.G. Collins, 1855.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

The Present Situation and Future Prospects of American Railroads. Printed by T.K. and P.G. Collins, 1855.

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