Cita APA

Olsen, J. C. (1934). Chemical annual.. (7. ed.). New York: D. Van Nostrand.

Citación estilo Chicago

Olsen, John C. Chemical Annual.. 7. ed. New York: D. Van Nostrand, 1934.

Cita MLA

Olsen, John C. Chemical Annual.. 7. ed. New York: D. Van Nostrand, 1934.