Παραπομπή σε μορφή APA (7η εκδ.)

Caldwell, O. W. (1902). A laboratory manual of botany: Outlines and directions for laboratory and field-work in botany in secondary schools. D. Appleton and Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Caldwell, Otis W. A Laboratory Manual of Botany: Outlines and Directions for Laboratory and Field-work in Botany in Secondary Schools. New York: D. Appleton and Co., 1902.

Παραπομπή σε μορφή MLA (8th εκδ.)

Caldwell, Otis W. A Laboratory Manual of Botany: Outlines and Directions for Laboratory and Field-work in Botany in Secondary Schools. D. Appleton and Co., 1902.