APA (7th ed.) Citation

Clarke, R. (1792). Mr. Clarke's letters. s.n.

Chicago Style (17th ed.) Citation

Clarke, Richard. Mr. Clarke's Letters. S.l: s.n, 1792.

MLA (9th ed.) Citation

Clarke, Richard. Mr. Clarke's Letters. s.n, 1792.

Warning: These citations may not always be 100% accurate.