APA (7th ed.) Citation

Ferreira, Q., & Marques, r. c. V. S. (1999). Planeta frágil. Instituto de Promocão Ambiental.

Chicago Style (17th ed.) Citation

Ferreira, Quim, and rev. cientif. Viriato Soromenho Marques. Planeta Frágil. Instituto de Promocão Ambiental, 1999.

MLA (8th ed.) Citation

Ferreira, Quim, and rev. cientif. Viriato Soromenho Marques. Planeta Frágil. Instituto de Promocão Ambiental, 1999.

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