APA (7th ed.) Citation

Janson, M., Kromer, C., & Schniederjürgen, A. (2023). World guide to Libraries 2023 (38th Edition.). de Gruyter.

Chicago Style (17th ed.) Citation

Janson, Marlies, Christine Kromer, and Alex Schniederjürgen. World Guide to Libraries 2023. 38th Edition. Berlin Boston: de Gruyter, 2023.

MLA (9th ed.) Citation

Janson, Marlies, et al. World Guide to Libraries 2023. 38th Edition. de Gruyter, 2023.