Cita APA (7th ed.)

Hormachea, M. N., & Hormachea, C. R. (1972). Recreation in Modern Society. Holbrook Press.

Cita Chicago (17th ed.)

Hormachea, Marion N., i Carroll R. Hormachea. Recreation in Modern Society. Boston: Holbrook Press, 1972.

Cita MLA (9th ed.)

Hormachea, Marion N., i Carroll R. Hormachea. Recreation in Modern Society. Holbrook Press, 1972.