APA-referens (7:e uppl.)

Otto, J. H., & Blanc, S. S. (1951). Biology investigations: A workbook and laboratory manual (Rev. ed.). Holt, Rinehart and Winston.

Chicago-referens (17:e uppl.)

Otto, James Howard, och Sam S. Blanc. Biology Investigations: A Workbook and Laboratory Manual. Rev. ed. New York: Holt, Rinehart and Winston, 1951.

MLA-referens (8:e uppl.)

Otto, James Howard, och Sam S. Blanc. Biology Investigations: A Workbook and Laboratory Manual. Rev. ed. Holt, Rinehart and Winston, 1951.