Παραπομπή APA

Frost, S. (1946). Masterworks of Philosophy. McGraw-Hill.

Παραπομπή Chicago Style

Frost, S.E. Masterworks of Philosophy. New york: McGraw-Hill, 1946.

Παραπομπή MLA

Frost, S.E. Masterworks of Philosophy. McGraw-Hill, 1946.