APA (7th ed.) Citation

Frost, C., & Ellmers, G. R. (1971). Health record systems. Volunteers in Technical Assistance.

Chicago Style (17th ed.) Citation

Frost, Christopher, and Gordon R. Ellmers. Health Record Systems. Mt. Ranier, Md.: Volunteers in Technical Assistance, 1971.

MLA (9th ed.) Citation

Frost, Christopher, and Gordon R. Ellmers. Health Record Systems. Volunteers in Technical Assistance, 1971.