APA

David Hume, Eric Steinberg (ed.), . (1993). An enquiry concerning human understanding ; [with] A letter from a gentleman to his friend in Edinburgh ; [and] An abstract of a Treatise of human nature. : Hackett Publishing.

Chicago

David Hume, Eric Steinberg (ed.), . 1993. An enquiry concerning human understanding ; [with] A letter from a gentleman to his friend in Edinburgh ; [and] An abstract of a Treatise of human nature. : Hackett Publishing.

Harvard

David Hume, Eric Steinberg (ed.), . (1993). An enquiry concerning human understanding ; [with] A letter from a gentleman to his friend in Edinburgh ; [and] An abstract of a Treatise of human nature. : Hackett Publishing.

MLA

David Hume, Eric Steinberg (ed.), . An enquiry concerning human understanding ; [with] A letter from a gentleman to his friend in Edinburgh ; [and] An abstract of a Treatise of human nature. : Hackett Publishing. 1993.