APA (7th ed.) Citation

Smith, S. T. (1871). Which is which ? : a comedietta in one act / by S. Theyre Smith: A comedietta in one act. Samuel French.

Chicago Style (17th ed.) Citation

Smith, Spenser Theyre. Which Is Which ? : A Comedietta in One Act / by S. Theyre Smith: A Comedietta in One Act. London: Samuel French, 1871.

MLA (9th ed.) Citation

Smith, Spenser Theyre. Which Is Which ? : A Comedietta in One Act / by S. Theyre Smith: A Comedietta in One Act. Samuel French, 1871.

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