Gaya APA

Sternberg, R, J., Funke, J. (2019). E-book The Psychology of Human Thought: An Introduction . Heidelberg: Heidelberg University Publishing (heiUP).

Gaya MLA

Sternberg, Robert, J.., Funke, Joachim. "E-book The Psychology of Human Thought: An Introduction". Heidelberg: Heidelberg University Publishing (heiUP), 2019. Text.