Cita APA (7a ed.)
Modley, R., & Lowenstein, D. (1937). Pictographs and graphs: How to make and use them. Harper & Brothers Publishers.
Cita Chicago Style (17a ed.)
Modley, Rudolf, y Dyno Lowenstein. Pictographs and Graphs: How to Make and Use Them. New York: Harper & Brothers Publishers, 1937.
Cita MLA (9a ed.)
Modley, Rudolf, y Dyno Lowenstein. Pictographs and Graphs: How to Make and Use Them. Harper & Brothers Publishers, 1937.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.