Fuller, Richard A, et al. “Psychological Benefits of Greenspace Increase With Biodiversity”. Biology Letters, vol. 3, no. 4, 2007, pp. 390-4, https://doi.org/10.1098/rsbl.2007.0149.
Fuller, R. A., Irvine, K. N., Devine-Wright, P., Warren, P. H., & Gaston, K. J. (2007). Psychological benefits of greenspace increase with biodiversity. Biology Letters, 3(4), 390-394. https://doi.org/10.1098/rsbl.2007.0149
Fuller RA, Irvine KN, Devine-Wright P, Warren PH, Gaston KJ. Psychological benefits of greenspace increase with biodiversity. Biology Letters. 2007;3(4):390-4.