Cita APA (7a ed.)

Stallknecht, N. P. (1971). George Santayana. University of Minnesota Press.

Cita Chicago Style (17a ed.)

Stallknecht, Newton P. George Santayana. Minneapolis: University of Minnesota Press, 1971.

Cita MLA (8a ed.)

Stallknecht, Newton P. George Santayana. University of Minnesota Press, 1971.