Robertson, J. (1791). An essay on punctuation (The third edition, corrected and improved.). printed for J. Walter.
Chicago-Zitierstil (17. Ausg.)Robertson, Joseph. An Essay on Punctuation. The third edition, corrected and improved. London: printed for J. Walter, 1791.
MLA-Zitierstil (9. Ausg.)Robertson, Joseph. An Essay on Punctuation. The third edition, corrected and improved. printed for J. Walter, 1791.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.