Essentials of functional grammar :
a structure-neutral theory of movement, control, and anaphora /
by George M. Horn.
APA Citation
Horn, G. M. (1988). Essentials of functional grammar: a structure-neutral theory of movement, control, and anaphora. Berlin: Mouton de Gruyter.
MLA Citation
Horn, George M. Essentials of Functional Grammar: a Structure-neutral Theory of Movement, Control, And Anaphora. Berlin: Mouton de Gruyter, 1988.
Warning: These citations may not always be complete (especially for serials).