Cita APA (7a ed.)

Brown, G., Malmkjaer, K., & Williams, J. (1996). Performance and competence in second language acquisition (1st published.). University Press.

Cita Chicago Style (17a ed.)

Brown, Gillian, Kirsten Malmkjaer, y John Williams. Performance and Competence in Second Language Acquisition. 1st published. Cambridge [etc.]: University Press, 1996.

Cita MLA (9a ed.)

Brown, Gillian, et al. Performance and Competence in Second Language Acquisition. 1st published. University Press, 1996.