APA

Grant P. R., Smith J. N. M., Grant B. R., Abbott I. J. & Abbott L. K. (1975). Finch numbers, owl predation and plant dispersal on Isla Daphne Major, Galápagos. Canadá: Springer-Verlag.

Chicago

Grant P R, Smith J N M, Grant B R, Abbott I J and Abbott L K. 1975. Finch numbers, owl predation and plant dispersal on Isla Daphne Major, Galápagos. Canadá: Springer-Verlag.

Harvard

Grant P. R., Smith J. N. M., Grant B. R., Abbott I. J. and Abbott L. K. (1975). Finch numbers, owl predation and plant dispersal on Isla Daphne Major, Galápagos. Canadá: Springer-Verlag.

MLA

Grant P R, Smith J N M, Grant B R, Abbott I J and Abbott L K. Finch numbers, owl predation and plant dispersal on Isla Daphne Major, Galápagos. Canadá: Springer-Verlag. 1975.