APA (7th ed.) Citation

Gribbin, J. R. (1991). Gure planeta aldakorra. Elkar.

Chicago Style (17th ed.) Citation

Gribbin, John R. Gure Planeta Aldakorra. Donostia: Elkar, 1991.

MLA (9th ed.) Citation

Gribbin, John R. Gure Planeta Aldakorra. Elkar, 1991.

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