Cita APA (7th ed.)

Hirschhorn, H. H. (1970). Technical and scientific reader in english. Regents.

Cita Chicago (17th ed.)

Hirschhorn, Howaerd H. Technical and Scientific Reader in English. New York, Estados Unidos: Regents, 1970.

Cita MLA (9th ed.)

Hirschhorn, Howaerd H. Technical and Scientific Reader in English. Regents, 1970.