Cita APA (7a ed.)

Gibson, R. (1982). British nemerteans: Keys and notes for the identification of species ([1st ed.].). University Press.

Cita Chicago Style (17a ed.)

Gibson, Ray. British Nemerteans: Keys and Notes for the Identification of Species. [1st ed.]. Cambridge [etc.]: University Press, 1982.

Cita MLA (9a ed.)

Gibson, Ray. British Nemerteans: Keys and Notes for the Identification of Species. [1st ed.]. University Press, 1982.