APA (7th ed.) Citation

Exsteyl, J. (1978). L'ecologie humaine.

Chicago Style (17th ed.) Citation

Exsteyl, Jacques. L'ecologie Humaine. Bruxelles, 1978.

MLA (9th ed.) Citation

Exsteyl, Jacques. L'ecologie Humaine. 1978.

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