APA (7th ed.) Citation

San Blas, C. (1830). A voyage to the Island of Philosophers. [publisher not identified].

Chicago Style (17th ed.) Citation

San Blas, Cæsario. A Voyage to the Island of Philosophers. [Place of publication not identified]: [publisher not identified], 1830.

MLA (9th ed.) Citation

San Blas, Cæsario. A Voyage to the Island of Philosophers. [publisher not identified], 1830.