APA (7th ed.) Citation

Sweeney, B., Gibson, L., & Forte, C. (2005). Ballenas y delfines. RBA.

Chicago Style (17th ed.) Citation

Sweeney, Bronwyn, Linda Gibson, and Clare Forte. Ballenas Y Delfines. s.l.: RBA, 2005.

MLA (9th ed.) Citation

Sweeney, Bronwyn, et al. Ballenas Y Delfines. RBA, 2005.