Cita APA (7a ed.)
Kesling, R. V. (1963). Key for classification of cystoids.
Cita Chicago Style (17a ed.)
Kesling, Robert V. Key for Classification of Cystoids. 1963.
Cita MLA (9a ed.)
Kesling, Robert V. Key for Classification of Cystoids. 1963.
Precaución: Estas citas no son 100% exactas.