Cita APA (7a ed.)

Gumpert, M., & Shuman, E. L. (1936). Trail-blazers of science: Life stories of some half-forgotten pioneers of modern research. Funk & Wagnalls company.

Cita Chicago Style (17a ed.)

Gumpert, Martin, y Edwin L. Shuman. Trail-blazers of Science: Life Stories of Some Half-forgotten Pioneers of Modern Research. New York, London: Funk & Wagnalls company, 1936.

Cita MLA (8a ed.)

Gumpert, Martin, y Edwin L. Shuman. Trail-blazers of Science: Life Stories of Some Half-forgotten Pioneers of Modern Research. Funk & Wagnalls company, 1936.