APA Citation

Skinner, T., & Thomas, T. (1986). El planeta azul =: The blue planet. Pittsburgh: WQED.

Chicago Style Citation

Skinner, Thomas, and Theodore Thomas. El Planeta Azul =: The Blue Planet. Pittsburgh: WQED, 1986.

MLA Citation

Skinner, Thomas, and Theodore Thomas. El Planeta Azul =: The Blue Planet. Pittsburgh: WQED, 1986.

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