APA (7th ed.) Citation

Balcom, P. (1997). Why is this happened? Passive morphology and unaccusativity. Second language research, 13(1), 1-9. https://doi.org/10.1191/026765897670080531

Chicago Style (17th ed.) Citation

Balcom, Patricia. "Why Is This Happened? Passive Morphology and Unaccusativity." Second Language Research 13, no. 1 (1997): 1-9. https://doi.org/10.1191/026765897670080531.

MLA (9th ed.) Citation

Balcom, Patricia. "Why Is This Happened? Passive Morphology and Unaccusativity." Second Language Research, vol. 13, no. 1, 1997, pp. 1-9, https://doi.org/10.1191/026765897670080531.