APA Citation

Mckean, D. (1971). Introduccion a la biologia. Madrid: Aguilar.

Chicago Style Citation

Mckean, D. Introduccion a La Biologia. Madrid: Aguilar, 1971.

MLA Citation

Mckean, D. Introduccion a La Biologia. Madrid: Aguilar, 1971.

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