APA ציטוט

Riddell, R. (1854). The scientific stair builder. William S. Young, printer.

Chicago Style (17th ed.) Citation

Riddell, Robert. The Scientific Stair Builder. Philadelphia: William S. Young, printer, 1854.

ציטוט MLA

Riddell, Robert. The Scientific Stair Builder. William S. Young, printer, 1854.