APA (7th ed.) Citation

Refoy, M., Probst, P., Dorronsoro, L., & Lekuona, M. d. (1968). Izadiaren mundua. Timun Mas [etc.].

Chicago Style (17th ed.) Citation

Refoy, Mary, Pierre Probst, Lukas Dorronsoro, and Manuel de Lekuona. Izadiaren Mundua. Barcelona [etc.]: Timun Mas [etc.], 1968.

MLA (9th ed.) Citation

Refoy, Mary, et al. Izadiaren Mundua. Timun Mas [etc.], 1968.