APA (7th ed.) Citation

Olmeda Latorre, C., & Ubach Soler, T. (1991). Ciencias naturales. Planeta.

Chicago Style (17th ed.) Citation

Olmeda Latorre, Concepción, and Tomás Ubach Soler. Ciencias Naturales. Barcelona: Planeta, 1991.

MLA (9th ed.) Citation

Olmeda Latorre, Concepción, and Tomás Ubach Soler. Ciencias Naturales. Planeta, 1991.

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