APA
Arthur Catherall, . (1965). Lone seal pup. : E.P.Dutton & Co., INC.
Chicago
Arthur Catherall, . 1965. Lone seal pup. : E.P.Dutton & Co., INC.
Harvard
Arthur Catherall, . (1965). Lone seal pup. : E.P.Dutton & Co., INC.
MLA
Arthur Catherall, . Lone seal pup. : E.P.Dutton & Co., INC. 1965.