APA (7th ed.) Citation

Barcelona (Spain). Ayuntamiento, BCNecologia, & Barcelona Regional. (2021). BCNecologia:: 20 years of the urban ecology agency of Barcelona. Publishing Services Department of the City of Barcelona.

Chicago Style (17th ed.) Citation

Barcelona (Spain). Ayuntamiento, BCNecologia, and Barcelona Regional. BCNecologia:: 20 Years of the Urban Ecology Agency of Barcelona. Barcelona: Publishing Services Department of the City of Barcelona, 2021.

MLA (9th ed.) Citation

Barcelona (Spain). Ayuntamiento, et al. BCNecologia:: 20 Years of the Urban Ecology Agency of Barcelona. Publishing Services Department of the City of Barcelona, 2021.