APA Style

Steg, L., Groot, J, I, M, D. (2019). Environmental psychology : an introduction. Second Edition (Second Edition). Hoboken: John Wiley & Sons.

MLA Style

Steg, Linda., Groot, Judith, I., M., De. "Environmental psychology : an introduction. Second Edition". Second Edition Hoboken: John Wiley & Sons, 2019. Text.