Mittermeier, R. A., & Wilson, D. E. (2014). Subspecies and Distribution. P. h. hispida Schreber, 1775 — Arctic Ocean. P h. botnica Gmelin, 1788 — Baltic Sea. P. h. ladogensis Nordqvist, 1889 — Lake Ladoga (W Russia). Ph. ochotensis Pallas, 1811 — Sea of Okhotsk and N Japan (Hokkaido). P. h. saimensis Nordqvist, 1889 — Lake Saimaa (S Finland). in Phocidae. Lynx Edicions.
Chicago Style (17th ed.) CitationMittermeier, Russell A., and Don E. Wilson. Subspecies and Distribution. P. H. Hispida Schreber, 1775 — Arctic Ocean. P H. Botnica Gmelin, 1788 — Baltic Sea. P. H. Ladogensis Nordqvist, 1889 — Lake Ladoga (W Russia). Ph. Ochotensis Pallas, 1811 — Sea of Okhotsk and N Japan (Hokkaido). P. H. Saimensis Nordqvist, 1889 — Lake Saimaa (S Finland). in Phocidae. Lynx Edicions, 2014.
MLA (9th ed.) CitationMittermeier, Russell A., and Don E. Wilson. Subspecies and Distribution. P. H. Hispida Schreber, 1775 — Arctic Ocean. P H. Botnica Gmelin, 1788 — Baltic Sea. P. H. Ladogensis Nordqvist, 1889 — Lake Ladoga (W Russia). Ph. Ochotensis Pallas, 1811 — Sea of Okhotsk and N Japan (Hokkaido). P. H. Saimensis Nordqvist, 1889 — Lake Saimaa (S Finland). in Phocidae. Lynx Edicions, 2014.