Cita APA (7a ed.)

Beckmann, P., Mohler, P. P., & Uher, R. (1991). ISSP, International social survey programme: Basic information on the ISSP data collection 1985 - 1994. ZUMA-Arbeitsbericht.

Cita Chicago Style (17a ed.)

Beckmann, Petra, Peter Ph Mohler, y Rolf Uher. "ISSP, International Social Survey Programme: Basic Information on the ISSP Data Collection 1985 - 1994." ZUMA-Arbeitsbericht 1991.

Cita MLA (8a ed.)

Beckmann, Petra, et al. "ISSP, International Social Survey Programme: Basic Information on the ISSP Data Collection 1985 - 1994." ZUMA-Arbeitsbericht, 1991.