Cita APA (7th ed.)

Felfernig, A., Boratto, L., Stettinger, M., & Tkalčič, M. (2018). Group recommender systems: An introduction. Springer International Publishing. https://doi.org/10.1007/978-3-319-75067-5

Cita Chicago (17th ed.)

Felfernig, Alexander, Ludovico Boratto, Martin Stettinger, i Marko Tkalčič. Group Recommender Systems: An Introduction. Cham: Springer International Publishing, 2018. https://doi.org/10.1007/978-3-319-75067-5.

Cita MLA (9th ed.)

Felfernig, Alexander, et al. Group Recommender Systems: An Introduction. Springer International Publishing, 2018. https://doi.org/10.1007/978-3-319-75067-5.