APA

Martin S. G., . (1941). A history of philosophy. N.Y: Appleton-Century-Crofts.

Chicago

Martin Seymor Guy, . 1941. A history of philosophy. N.Y: Appleton-Century-Crofts.

Harvard

Martin S. G., . (1941). A history of philosophy. N.Y: Appleton-Century-Crofts.

MLA

Martin Seymor Guy, . A history of philosophy. N.Y: Appleton-Century-Crofts. 1941.