APA

Postan M. M., Rich E. E. & Miller E. (1965). Economic organization and policies in the middle ages. Cambridge: Cambridge university press.

Chicago

Postan Michael Moissey, Rich Edwin Ernest and Miller Edward. 1965. Economic organization and policies in the middle ages. Cambridge: Cambridge university press.

Harvard

Postan M. M., Rich E. E. and Miller E. (1965). Economic organization and policies in the middle ages. Cambridge: Cambridge university press.

MLA

Postan Michael Moissey, Rich Edwin Ernest and Miller Edward. Economic organization and policies in the middle ages. Cambridge: Cambridge university press. 1965.