APA (7th ed.) Citation

Maroulis, L., Poulakakis, N., Proios, K., Karakasi, D., Triantis, K. A., Mylonas, M., & Vardinoyannis, K. On the path to extinction: Helix godetiana Kobelt, 1878, the only threatened Helix species in Greece. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Maroulis, Leonidas, Nikos Poulakakis, Konstantinos Proios, Danae Karakasi, Kostas A. Triantis, Moisis Mylonas, and Katerina Vardinoyannis. On the Path to Extinction: Helix Godetiana Kobelt, 1878, the Only Threatened Helix Species in Greece. Pensoft Publishers.

MLA (9th ed.) Citation

Maroulis, Leonidas, et al. On the Path to Extinction: Helix Godetiana Kobelt, 1878, the Only Threatened Helix Species in Greece. Pensoft Publishers.