Cita APA (7th ed.)

Tuerk, R. C. (1975). Central still: Circle and sphere in Thoreau's prose. Mouton.

Cita Chicago (17th ed.)

Tuerk, Richard Carl. Central Still: Circle and Sphere in Thoreau's Prose. The Hague: Mouton, 1975.

Cita MLA (8th ed.)

Tuerk, Richard Carl. Central Still: Circle and Sphere in Thoreau's Prose. Mouton, 1975.