APA (7th ed.) Citation

Preussler, O., Gartzia, X., & Tripp, F. J. (1984). Fantasmatxoa. Elkar.

Chicago Style (17th ed.) Citation

Preussler, Otfried, Xabier Gartzia, and F. J. Tripp. Fantasmatxoa. Donostia: Elkar, 1984.

MLA (9th ed.) Citation

Preussler, Otfried, et al. Fantasmatxoa. Elkar, 1984.