Citazione Stile APA (7a Edizione)

Frey, J., & Howard, B. (1987). AN ACCURATE CALCULATION OF THE GROUND-STATE ENERGY OF THE HELIUM ATOM AND THE HYDROGEN NEGATIVE-ION USING HYPERSPHERICAL COORDINATES.

Citazione stile Chigago Style (17a edizione)

Frey, J., e B. Howard. AN ACCURATE CALCULATION OF THE GROUND-STATE ENERGY OF THE HELIUM ATOM AND THE HYDROGEN NEGATIVE-ION USING HYPERSPHERICAL COORDINATES. 1987.

Citatione MLA (9a ed.)

Frey, J., e B. Howard. AN ACCURATE CALCULATION OF THE GROUND-STATE ENERGY OF THE HELIUM ATOM AND THE HYDROGEN NEGATIVE-ION USING HYPERSPHERICAL COORDINATES. 1987.