APA (7th ed.) Citation

Leon, F. On the Ecological Niche of the West. European Association of Geographers.

Chicago Style (17th ed.) Citation

Leon, Federico. On the Ecological Niche of the West. European Association of Geographers.

MLA (9th ed.) Citation

Leon, Federico. On the Ecological Niche of the West. European Association of Geographers.

Warning: These citations may not always be 100% accurate.