APA aipamena

Ryna, J. K. (1965). Twentieth-century thinkers: Studies in the work of seventeen modern philosophers. Alba House.

Chicago Style aipamena

Ryna, John Kenneth. Twentieth-century Thinkers: Studies in the Work of Seventeen Modern Philosophers. Staten Island, N. Y: Alba House, 1965.

MLA aipamena

Ryna, John Kenneth. Twentieth-century Thinkers: Studies in the Work of Seventeen Modern Philosophers. Alba House, 1965.