APA Style

Ballmer, T., Brennenstuhl, W. (1981). Speech Act Classification: A Study in the Lexical Analysis of English Speech Activity Verbs . New York: Springer-Verlag Berlin Heidelberg.

MLA Style

Ballmer, Th., Brennenstuhl, W.. "Speech Act Classification: A Study in the Lexical Analysis of English Speech Activity Verbs". New York: Springer-Verlag Berlin Heidelberg, 1981. E-Book.