APA (7th ed.) Citation

Eastwood, B. (1979). Directory of audio-visual sources: History of science, medicine, and technology. Science History Publications.

Chicago Style (17th ed.) Citation

Eastwood, Bruce. Directory of Audio-visual Sources: History of Science, Medicine, and Technology. New York: Science History Publications, 1979.

MLA (8th ed.) Citation

Eastwood, Bruce. Directory of Audio-visual Sources: History of Science, Medicine, and Technology. Science History Publications, 1979.