Cita APA (7th ed.)

Harlow, R. (1991). 175 amazing nature experiments. Random House.

Cita Chicago (17th ed.)

Harlow, Rosie. 175 Amazing Nature Experiments. New York: Random House, 1991.

Cita MLA (9th ed.)

Harlow, Rosie. 175 Amazing Nature Experiments. Random House, 1991.

Atenció: Aquestes cites poden no estar 100% correctes.