Gaya APA

Swanson, C, P., Runes, D, D. (NULL). Dictionary of philosophy ancient medieval modern . New: New Jersey: Littlefield, Adams & Co; 1963.

Gaya MLA

Swanson, Carl, P.., Runes, Dagobert, D. "Dictionary of philosophy ancient medieval modern". New: New Jersey: Littlefield, Adams & Co; 1963, NULL. Text.