Cita APA (7a ed.)

Digby, P., & Kempton, R. (1987). Multivariate analysis of ecological communities. Chapman and Hall.

Cita Chicago Style (17a ed.)

Digby, P.G.N, y R.A Kempton. Multivariate Analysis of Ecological Communities. London: Chapman and Hall, 1987.

Cita MLA (9a ed.)

Digby, P.G.N, y R.A Kempton. Multivariate Analysis of Ecological Communities. Chapman and Hall, 1987.