Cita APA (7th ed.)

Marvels and mysteries of the world around us. Reader?s Digest Association [c1972].

Cita Chicago (17th ed.)

Marvels and Mysteries of the World Around Us. Pleasantville: Reader?s Digest Association [c1972].

Cita MLA (9th ed.)

Marvels and Mysteries of the World Around Us. Reader?s Digest Association [c1972].