MLA

Bull, William E. Time, Tense and the Verb : a Study In Theoretical and Applied Linguistics, with Particular Attention to Spanish. Berkeley: University of California Press, 1971.

APA

Bull, W. E. (1971). Time, tense and the verb : a study in theoretical and applied linguistics, with particular attention to Spanish. Berkeley: University of California Press.

Chicago

Bull, William E. Time, Tense and the Verb: A Study In Theoretical and Applied Linguistics, with Particular Attention to Spanish. Berkeley: University of California Press, 1971.