Cita APA (7a ed.)

(1977). Research in text theory: = Untersuchungen zur Texttheorie. de Gruyter.

Cita Chicago Style (17a ed.)

Research in Text Theory: = Untersuchungen Zur Texttheorie. Berlin [u.a.]: de Gruyter, 1977.

Cita MLA (8a ed.)

Research in Text Theory: = Untersuchungen Zur Texttheorie. de Gruyter, 1977.