APA (7th ed.) Citation

Engelson, M. (1969). Spectrum analyzer circuits. Tektronic.

Chicago Style (17th ed.) Citation

Engelson, Morris. Spectrum Analyzer Circuits. Beaverton: Tektronic, 1969.

MLA (9th ed.) Citation

Engelson, Morris. Spectrum Analyzer Circuits. Tektronic, 1969.

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