Cita APA (7th ed.)

Chamberlain, J. M. (1965). Planetas, estrellas y espacio = planets, stars and space. Creative Educational Society, Inc.

Cita Chicago (17th ed.)

Chamberlain, Joseph Miles. Planetas, Estrellas Y Espacio = Planets, Stars and Space. Minnesota: Creative Educational Society, Inc, 1965.

Cita MLA (9th ed.)

Chamberlain, Joseph Miles. Planetas, Estrellas Y Espacio = Planets, Stars and Space. Creative Educational Society, Inc, 1965.

Atenció: Aquestes cites poden no estar 100% correctes.