APA (7th ed.) Citation

Levin, L. S., Katz, A. H., & Holst, E. (1977). Self-care: Lay initiatives in health. Croom Helm.

Chicago Style (17th ed.) Citation

Levin, Lowell S., Alfred H. Katz, and Erik Holst. Self-care: Lay Initiatives in Health. London: Croom Helm, 1977.

MLA (9th ed.) Citation

Levin, Lowell S., et al. Self-care: Lay Initiatives in Health. Croom Helm, 1977.