APA (7th ed.) Citation

Burr, R. P. (1957). Transistor phonograph preamplifier. Electronics (1930)., 30, 204.

Chicago Style (17th ed.) Citation

Burr, R. P. "Transistor Phonograph Preamplifier." Electronics (1930). 30 (1957): 204.

MLA (9th ed.) Citation

Burr, R. P. "Transistor Phonograph Preamplifier." Electronics (1930)., vol. 30, 1957, p. 204.

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