Cita APA (7a ed.)

Tatarkiewicz, W., Zielińska, D., & Rothert, E. (1976). Analysis of happiness. Polish Scientific Publishers ; Martinus Nijhoff.

Cita Chicago Style (17a ed.)

Tatarkiewicz, Władysław, Danuta Zielińska, y Edward Rothert. Analysis of Happiness. Warszawa : Hague: Polish Scientific Publishers ; Martinus Nijhoff, 1976.

Cita MLA (9a ed.)

Tatarkiewicz, Władysław, et al. Analysis of Happiness. Polish Scientific Publishers ; Martinus Nijhoff, 1976.