APA (7th ed.) Citation

AA. VV. (1972). LA BIOSFERA. ALIANZA.

Chicago Style (17th ed.) Citation

AA. VV. LA BIOSFERA. MADRID: ALIANZA, 1972.

MLA (9th ed.) Citation

AA. VV. LA BIOSFERA. ALIANZA, 1972.

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