Cita APA (7th ed.)
Kaufmann, F., Cohen, R. S., & Helling, I. K. Felix Kaufmann’s Theory and Method in the Social Sciences. Springer.
Cita Chicago (17th ed.)
Kaufmann, Felix, Robert Sonné Cohen, i Ingeborg K. Helling. Felix Kaufmann’s Theory and Method in the Social Sciences. Cham, Suiza: Springer.
Cita MLA (9th ed.)
Kaufmann, Felix, et al. Felix Kaufmann’s Theory and Method in the Social Sciences. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.