Hartmann, R. (1885). Anthopoid apes. With sixty-three illustrations (1a. ed.). C. Kegan Paul & Co., 1 Paternoster Square.
Cita Chicago (17th ed.)Hartmann, Robert. Anthopoid Apes. With Sixty-three Illustrations. 1a. ed. Londres: C. Kegan Paul & Co., 1 Paternoster Square, 1885.
Cita MLA (9th ed.)Hartmann, Robert. Anthopoid Apes. With Sixty-three Illustrations. 1a. ed. C. Kegan Paul & Co., 1 Paternoster Square, 1885.
Atenció: Aquestes cites poden no estar 100% correctes.