Citazione APA

Freeland Peter. (1991). Focus on biology: Habitats and the environment. London: Hodder and Stoughton.

Stile di citazione Chicago

Freeland Peter. Focus On Biology: Habitats and the Environment. London: Hodder and Stoughton, 1991.

Citazione MLA

Freeland Peter. Focus On Biology: Habitats and the Environment. London: Hodder and Stoughton, 1991.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.