Cita APA (7th ed.)

Hadfield, M. G., & Miller, S. E. (1987). On Developmental Patterns of Opisthobranchs. Zenodo.

Cita Chicago (17th ed.)

Hadfield, Michael G.‏, i Stephen E. Miller. On Developmental Patterns of Opisthobranchs. Zenodo, 1987.

Cita MLA (9th ed.)

Hadfield, Michael G.‏, i Stephen E. Miller. On Developmental Patterns of Opisthobranchs. Zenodo, 1987.