APA

Hartmann P., Esparza P. & Zarian A. (1984). Tense situations: tenses in contrast and context. New York: Holt, Rinehart, and Winston.

Chicago

Hartmann Pamela, Esparza Patricia and Zarian Annette. 1984. Tense situations: tenses in contrast and context. New York: Holt, Rinehart, and Winston.

Harvard

Hartmann P., Esparza P. and Zarian A. (1984). Tense situations: tenses in contrast and context. New York: Holt, Rinehart, and Winston.

MLA

Hartmann Pamela, Esparza Patricia and Zarian Annette. Tense situations: tenses in contrast and context. New York: Holt, Rinehart, and Winston. 1984.