APA
                Declerck R., . (2006). The grammar of the English tense system : a comprehensive analysis. Berlin: Mouton de Gruyter.
                
                Chicago
                Declerck Renaat, . 2006. The grammar of the English tense system : a comprehensive analysis. Berlin: Mouton de Gruyter.
                
                Harvard
                Declerck R., . (2006). The grammar of the English tense system : a comprehensive analysis. Berlin: Mouton de Gruyter.
                
                MLA
                Declerck Renaat, . The grammar of the English tense system : a comprehensive analysis. Berlin: Mouton de Gruyter. 2006.