Cita APA (7a ed.)

Gilberston, D., Kent, M., & Pyatt, F. (1985). Practical ecology for geography and biology: Survey, mapping and data analysis. Hutchinson.

Cita Chicago Style (17a ed.)

Gilberston, D.D, M. Kent, y F.B Pyatt. Practical Ecology for Geography and Biology: Survey, Mapping and Data Analysis. London [etc.]: Hutchinson, 1985.

Cita MLA (9a ed.)

Gilberston, D.D, et al. Practical Ecology for Geography and Biology: Survey, Mapping and Data Analysis. Hutchinson, 1985.