APA (7th ed.) Citation

Day, B. F., Ford, R. D., & Lord, P. (1969). Building acoustics. Elsevier.

Chicago Style (17th ed.) Citation

Day, Brian Frederick, R. D. Ford, and P. Lord. Building Acoustics. Amsterdam: Elsevier, 1969.

MLA (9th ed.) Citation

Day, Brian Frederick, et al. Building Acoustics. Elsevier, 1969.