APA (7th ed.) Citation

Uexkull, J. v. (1944). Teoria de la vida. Summa.

Chicago Style (17th ed.) Citation

Uexkull, J. von. Teoria De La Vida. Madrid: Summa, 1944.

MLA (9th ed.) Citation

Uexkull, J. von. Teoria De La Vida. Summa, 1944.

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