Cita APA (7a ed.)

O'Dwyer, P. E. F. (2002). The human planet: Geography for junior certificate. Gill and Macmillan.

Cita Chicago Style (17a ed.)

O'Dwyer, Patrick E. F. The Human Planet: Geography for Junior Certificate. Dublin: Gill and Macmillan, 2002.

Cita MLA (9a ed.)

O'Dwyer, Patrick E. F. The Human Planet: Geography for Junior Certificate. Gill and Macmillan, 2002.