APA (7th ed.) Citation

Butler, C. S. (2012). Syntactic Functions in Functional Discourse Grammar and Role and Reference Grammar: An Evaluative Comparison. Language Sciences, 34(4), 480. https://doi.org/10.1016/j.langsci.2012.03.002

Chicago Style (17th ed.) Citation

Butler, Christopher S. "Syntactic Functions in Functional Discourse Grammar and Role and Reference Grammar: An Evaluative Comparison." Language Sciences 34, no. 4 (2012): 480. https://doi.org/10.1016/j.langsci.2012.03.002.

MLA (9th ed.) Citation

Butler, Christopher S. "Syntactic Functions in Functional Discourse Grammar and Role and Reference Grammar: An Evaluative Comparison." Language Sciences, vol. 34, no. 4, 2012, p. 480, https://doi.org/10.1016/j.langsci.2012.03.002.

Warning: These citations may not always be 100% accurate.