Cita APA (7a ed.)

Bloom, W. W., Krekeler, C. H., & Nichols, K. (1963). General biology: A unified text manual. Van Nostrand.

Cita Chicago Style (17a ed.)

Bloom, William W., Carl H. Krekeler, y Kenneth Nichols. General Biology: A Unified Text Manual. New Yersey: Van Nostrand, 1963.

Cita MLA (8a ed.)

Bloom, William W., et al. General Biology: A Unified Text Manual. Van Nostrand, 1963.