APA (7th ed.) Citation

Steele, R. (1975). Delta modulation systems / (by) R. Steele. Pentech Press Ltd.

Chicago Style (17th ed.) Citation

Steele, R. Delta Modulation Systems / (by) R. Steele. London: Pentech Press Ltd, 1975.

MLA (9th ed.) Citation

Steele, R. Delta Modulation Systems / (by) R. Steele. Pentech Press Ltd, 1975.

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