Cita APA (7a ed.)

Merrell, F. (1982). Semiotic foundations: Steps toward an epistemology of written texts.

Cita Chicago Style (17a ed.)

Merrell, Floyd. Semiotic Foundations: Steps Toward an Epistemology of Written Texts. 1982.

Cita MLA (9a ed.)

Merrell, Floyd. Semiotic Foundations: Steps Toward an Epistemology of Written Texts. 1982.