APA (7th ed.) Zitazioa

Fittkau, E. J., Illies, J., Klinge, H., Schwabe, G. H., & Sioli, H. (1969). Biogeography and ecology in south America. W. Junk N. V.

Chicago Style (17th ed.) Zitazioa

Fittkau, E. J., J. Illies, H. Klinge, G. H. Schwabe, eta H. Sioli. Biogeography and Ecology in South America. Amsterdam: W. Junk N. V, 1969.

MLA (9th ed.) Zitazioa

Fittkau, E. J., et al. Biogeography and Ecology in South America. W. Junk N. V, 1969.