APA (7th ed.) Citation

Farace, D. J., & Schöpfel, J. (2010). Grey literature in library and information studies. de Gruyter Saur.

Chicago Style (17th ed.) Citation

Farace, Dominic J., and Joachim Schöpfel. Grey Literature in Library and Information Studies. Berlin New York: de Gruyter Saur, 2010.

MLA (9th ed.) Citation

Farace, Dominic J., and Joachim Schöpfel. Grey Literature in Library and Information Studies. de Gruyter Saur, 2010.