APA (7th ed.) Citation

Haas, K. B., & Packer, H. Q. (1955). Preparation and use of audio-visual aids. Prentice-Hall.

Chicago Style (17th ed.) Citation

Haas, Kenneth B., and Harry Q. Packer. Preparation and Use of Audio-visual Aids. Prentice-Hall, 1955.

MLA (8th ed.) Citation

Haas, Kenneth B., and Harry Q. Packer. Preparation and Use of Audio-visual Aids. Prentice-Hall, 1955.

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