Looking at faces and remembering them : a guide to facial identification

MLA

Penry, Jacques, and Isobel Ryan. Looking At Faces and Remembering Them : a Guide to Facial Identification. London: Elek, 1971.

APA

Penry, J., & Ryan, I. (1971). Looking at faces and remembering them : a guide to facial identification. London: Elek.

Chicago

Penry, Jacques, and Isobel Ryan. Looking At Faces and Remembering Them: A Guide to Facial Identification. London: Elek, 1971.