APA-Zitierstil (7. Ausg.)

Ristiniemi, J., Skeie, G., & Sporre, K. (2018). Challenging Life: Existential Questions as a Resource for Education (1st, New ed.). Waxmann.

Chicago-Zitierstil (17. Ausg.)

Ristiniemi, Jari, Geir Skeie, und Karin Sporre. Challenging Life: Existential Questions as a Resource for Education. 1st, New ed. Münster: Waxmann, 2018.

MLA-Zitierstil (9. Ausg.)

Ristiniemi, Jari, et al. Challenging Life: Existential Questions as a Resource for Education. 1st, New ed. Waxmann, 2018.