APA (7. basım) Alıntı

Voß, P., Hahn, J., & Porsch, P. (1986). Freie Zeit was nun? (o.A.). Dietz.

Chicago Style (17. basım) Atıf

Voß, Peter, Jochen Hahn, ve Peter Porsch. Freie Zeit Was Nun? o.A. Berlin: Dietz, 1986.

MLA (8th ed.) Atıf

Voß, Peter, et al. Freie Zeit Was Nun? o.A. Dietz, 1986.