Cita APA (7th ed.)

Freud, S., Ferenczi, S., & Brabant, E. (1993). 1908 - 1911. Böhlau.

Cita Chicago (17th ed.)

Freud, Sigmund, Sándor Ferenczi, i Eva Brabant. 1908 - 1911. Wien [u.a.]: Böhlau, 1993.

Cita MLA (8th ed.)

Freud, Sigmund, et al. 1908 - 1911. Böhlau, 1993.