MLA

Hassler, Gerda, and Gesina Volkmann. History of Linguistics In Texts and Concepts. Münster: Nodus Publikationen, 2004.

APA

Hassler, G., & Volkmann, G. (2004). History of linguistics in texts and concepts. Münster: Nodus Publikationen.

Chicago

Hassler, Gerda, and Gesina Volkmann. History of Linguistics In Texts and Concepts. Münster: Nodus Publikationen, 2004.