APA

Olsen E. G. J., . (1973). The pathology of the heart. New York: Intercontinental Medical Book Corp.

Chicago

Olsen E G J, . 1973. The pathology of the heart. New York: Intercontinental Medical Book Corp.

Harvard

Olsen E. G. J., . (1973). The pathology of the heart. New York: Intercontinental Medical Book Corp.

MLA

Olsen E G J, . The pathology of the heart. New York: Intercontinental Medical Book Corp. 1973.