APA (7th ed.) Citation

Penfield, P. (1960). Frequency-power formulas. Technology Press of the Massachusetts Institute of Technology.

Chicago Style (17th ed.) Citation

Penfield, Paul. Frequency-power Formulas. [Cambridge]: Technology Press of the Massachusetts Institute of Technology, 1960.

MLA (9th ed.) Citation

Penfield, Paul. Frequency-power Formulas. Technology Press of the Massachusetts Institute of Technology, 1960.

Warning: These citations may not always be 100% accurate.