Cita APA (7a ed.)

Galster, H. (1991). pH measurement: Fundamentals, methods, applications, instrumentation. VCH.

Cita Chicago Style (17a ed.)

Galster, Helmuth. PH Measurement: Fundamentals, Methods, Applications, Instrumentation. New York: VCH, 1991.

Cita MLA (8a ed.)

Galster, Helmuth. PH Measurement: Fundamentals, Methods, Applications, Instrumentation. VCH, 1991.