APA Style
GUGER, C., MULLER-Putz, G. (2015).
Brain-Computer Interface Research : A State-of-the-Art Summary 4 .
Cham:
Springer Cham.
MLA Style
GUGER, Christoph., MULLER-Putz, Gernot.
"Brain-Computer Interface Research : A State-of-the-Art Summary 4".
Cham:
Springer Cham,
2015.
Text.