Cita APA (7th ed.)

Francis, G. E., Mulligan, W., & Wormall, A. (1954). Isotopic tracers: A theoretical and practical manual for biological students and research workers. University of London.

Cita Chicago (17th ed.)

Francis, G. E., W. Mulligan, i A. Wormall. Isotopic Tracers: A Theoretical and Practical Manual for Biological Students and Research Workers. Londres: University of London, 1954.

Cita MLA (9th ed.)

Francis, G. E., et al. Isotopic Tracers: A Theoretical and Practical Manual for Biological Students and Research Workers. University of London, 1954.