Cita APA (7th ed.)

Janssen, A., & Van der Steen, P. Integration Theory. Springer.

Cita Chicago (17th ed.)

Janssen, A.J.E.M, i P. Van der Steen. Integration Theory. Berlin [etc.]: Springer.

Cita MLA (8th ed.)

Janssen, A.J.E.M, i P. Van der Steen. Integration Theory. Springer.