APA (7th ed.) Citation

(1978). L'écologie humaine. Institut Emile Vandervelde.

Chicago Style (17th ed.) Citation

L'écologie Humaine. Institut Emile Vandervelde, 1978.

MLA (8th ed.) Citation

L'écologie Humaine. Institut Emile Vandervelde, 1978.

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