APA

Høffding H., . (19501924). A history of modern philosophy: a sketch of the history of philosophy from the close of the Renaissance to our own day. New York: Humanities Press.

Chicago

Høffding Harald, . 19501924. A history of modern philosophy: a sketch of the history of philosophy from the close of the Renaissance to our own day. New York: Humanities Press.

Harvard

Høffding H., . (19501924). A history of modern philosophy: a sketch of the history of philosophy from the close of the Renaissance to our own day. New York: Humanities Press.

MLA

Høffding Harald, . A history of modern philosophy: a sketch of the history of philosophy from the close of the Renaissance to our own day. New York: Humanities Press. 19501924.