APA (7th ed.) Citation

GEORGE, P., & GIRALT PONT, A. (1972). El medio ambiente. Oikos-tau.

Chicago Style (17th ed.) Citation

GEORGE, Pierre, and A. GIRALT PONT. El Medio Ambiente. Barcelona: Oikos-tau, 1972.

MLA (9th ed.) Citation

GEORGE, Pierre, and A. GIRALT PONT. El Medio Ambiente. Oikos-tau, 1972.

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