APA (7th ed.) Citation

Royston, A., Pledger, M., & Ramos, A. (1989). La rana (1a. ed.). FHER.

Chicago Style (17th ed.) Citation

Royston, Angela, Maurice Pledger, and Araceli Ramos. La Rana. 1a. ed. Bilbao España: FHER, 1989.

MLA (9th ed.) Citation

Royston, Angela, et al. La Rana. 1a. ed. FHER, 1989.