MLA

Gabry-Barker, Mirosaw Danuta, Danuta Gabryś-Barker, and Adam Wojtaszek. Studying Second Language Acquisition From a Qualitative Perspective. Springer International Publishing, 2014.

APA

Gabry-Barker, M. Danuta, Gabryś-Barker, D., & Wojtaszek, A. (2014). Studying Second Language Acquisition from a Qualitative Perspective. Springer International Publishing.

Chicago

Gabry-Barker, Mirosaw Danuta, Danuta Gabryś-Barker, and Adam Wojtaszek. Studying Second Language Acquisition From a Qualitative Perspective. : Springer International Publishing, 2014.