APA (7th ed.) Citation

(1986). Modifications to the 4 x 7 meter tunnel for acoustic research: Engineering feasibility study.

Chicago Style (17th ed.) Citation

Modifications to the 4 X 7 Meter Tunnel for Acoustic Research: Engineering Feasibility Study. 1986.

MLA (9th ed.) Citation

Modifications to the 4 X 7 Meter Tunnel for Acoustic Research: Engineering Feasibility Study. 1986.

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