APA (7th ed.) Citation

Hamm, T. F. (1981). A calculation of the van der Waals potential and the hyperfine pressure shift for H-He. [publisher not identified].

Chicago Style (17th ed.) Citation

Hamm, Thomas Francis. A Calculation of the Van Der Waals Potential and the Hyperfine Pressure Shift for H-He. [Place of publication not identified]: [publisher not identified], 1981.

MLA (9th ed.) Citation

Hamm, Thomas Francis. A Calculation of the Van Der Waals Potential and the Hyperfine Pressure Shift for H-He. [publisher not identified], 1981.