APA (7e ed.) Bronvermelding

Keene, J. H. (1896). The mystery of handwriting: A handbook of graphology. Lee and Shepard.

Chicago (17e ed.) Bronvermelding

Keene, J. Harington. The Mystery of Handwriting: A Handbook of Graphology. Boston: Lee and Shepard, 1896.

MLA (8e ed.) Bronvermelding

Keene, J. Harington. The Mystery of Handwriting: A Handbook of Graphology. Lee and Shepard, 1896.