Cita APA (7a ed.)

Helscher, T. P. The subject of genre: Thomas P. Helscher. Genre and writing : issues, arguments, alternatives.(1997).

Cita Chicago Style (17a ed.)

Helscher, Thomas P. "The Subject of Genre: Thomas P. Helscher." Genre and Writing : Issues, Arguments, Alternatives.(1997) .

Cita MLA (8a ed.)

Helscher, Thomas P. "The Subject of Genre: Thomas P. Helscher." Genre and Writing : Issues, Arguments, Alternatives.(1997), .