Cita APA

Young, R. E. 1., & Roper, C. F. E. 1. (1969). A monograph of the Cephalopoda of the North Atlantic: The family Cycloteuthidae. Washington: Smithsonian Institution Press.

Citación estilo Chicago

Young, Richard Edward 1938-, y Clyde F. E. 1937- Roper. A Monograph of the Cephalopoda of the North Atlantic: The Family Cycloteuthidae. Washington: Smithsonian Institution Press, 1969.

Cita MLA

Young, Richard Edward 1938-, y Clyde F. E. 1937- Roper. A Monograph of the Cephalopoda of the North Atlantic: The Family Cycloteuthidae. Washington: Smithsonian Institution Press, 1969.