Cita APA (7th ed.)

Hermes, H. (1970). Term logic with choice operator. Springer-Verlag.

Cita Chicago (17th ed.)

Hermes, Hans. Term Logic with Choice Operator. Berlín: Springer-Verlag, 1970.

Cita MLA (9th ed.)

Hermes, Hans. Term Logic with Choice Operator. Springer-Verlag, 1970.