APA (7th ed.) Citation

Paraskevopoulos, S., Padeliadu, S., & Zafiropoulos, K. (1998). Environmental knowledge of elementary school students in Greece. Journal of Environmental Education, 29(3), 55. https://doi.org/10.1080/00958969809599119

Chicago Style (17th ed.) Citation

Paraskevopoulos, S., S. Padeliadu, and K. Zafiropoulos. "Environmental Knowledge of Elementary School Students in Greece." Journal of Environmental Education 29, no. 3 (1998): 55. https://doi.org/10.1080/00958969809599119.

MLA (9th ed.) Citation

Paraskevopoulos, S., et al. "Environmental Knowledge of Elementary School Students in Greece." Journal of Environmental Education, vol. 29, no. 3, 1998, p. 55, https://doi.org/10.1080/00958969809599119.