APA (7th ed.) Citation

Updegraff, I., & Updegraff, R. (1982). Rius i llacs. Teide.

Chicago Style (17th ed.) Citation

Updegraff, Imelda, and Robert Updegraff. Rius I Llacs. Barcelona: Teide, 1982.

MLA (9th ed.) Citation

Updegraff, Imelda, and Robert Updegraff. Rius I Llacs. Teide, 1982.

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