Cita APA (7a ed.)

Rivlin, R. (1982). Our planet earth (1. publ.). Gill and Macmillan.

Cita Chicago Style (17a ed.)

Rivlin, Ray. Our Planet Earth. 1. publ. Dublin: Gill and Macmillan, 1982.

Cita MLA (9a ed.)

Rivlin, Ray. Our Planet Earth. 1. publ. Gill and Macmillan, 1982.