Cita APA (7a ed.)

Martin, S., Helmschrott, S., & Rammstedt, B. (2014). The use of respondent incentives in PIAAC: The field test experiment in Germany. Methoden, Daten, Analysen, 8(2), 223-242.

Cita Chicago Style (17a ed.)

Martin, Silke, Susanne Helmschrott, y Beatrice Rammstedt. "The Use of Respondent Incentives in PIAAC: The Field Test Experiment in Germany." Methoden, Daten, Analysen 8, no. 2 (2014): 223-242.

Cita MLA (8a ed.)

Martin, Silke, et al. "The Use of Respondent Incentives in PIAAC: The Field Test Experiment in Germany." Methoden, Daten, Analysen, vol. 8, no. 2, 2014, pp. 223-242.