APA (7th ed.) Citation

Knoop, U., Kohrt, M., & Küper, C. (1971). An index of "Bibliographie zur Transformationsgrammatik" by H. Krenn and K. Müllner. Winter.

Chicago Style (17th ed.) Citation

Knoop, Ulrich, Manfred Kohrt, and Christoph Küper. An Index of "Bibliographie Zur Transformationsgrammatik" by H. Krenn and K. Müllner. Heidelberg: Winter, 1971.

MLA (9th ed.) Citation

Knoop, Ulrich, et al. An Index of "Bibliographie Zur Transformationsgrammatik" by H. Krenn and K. Müllner. Winter, 1971.