APA (7th ed.) Citation

Popescu, I., Altmann, G., Grzybek, P., Jayaram, B. D., Köhler, R., Krupa, V., . . . Vidya, M. N. (2009). Word frequency studies. Mouton de Gruyter.

Chicago Style (17th ed.) Citation

Popescu, Ioan-Ioviţ, et al. Word Frequency Studies. Berlin New York: Mouton de Gruyter, 2009.

MLA (9th ed.) Citation

Popescu, Ioan-Ioviţ, et al. Word Frequency Studies. Mouton de Gruyter, 2009.