Cita APA (7th ed.)

Navarra, J., & Zafforoni, J. (1975). Science in the elementary school: Content and methods. Charles E. Merrill.

Cita Chicago (17th ed.)

Navarra, J.G, i J. Zafforoni. Science in the Elementary School: Content and Methods. Columbus, OH: Charles E. Merrill, 1975.

Cita MLA (9th ed.)

Navarra, J.G, i J. Zafforoni. Science in the Elementary School: Content and Methods. Charles E. Merrill, 1975.