APA Style
Demirli, Y, A, C. (2022).
Educational Theory in the 21st Century (1).
Palgrave Macmillan Singapore:
Palgrave Macmillan Singapore.
MLA Style
Demirli, Yusuf, Alpaydın,, Cihad.
"Educational Theory in the 21st Century".
1
Palgrave Macmillan Singapore:
Palgrave Macmillan Singapore,
2022.
Text.