Cita APA (7a ed.)

Walker, D., & Walker, R. (1990). The use of the oxygen electrode and fluorescence probes in simple measurements of photosynthesis. Robert Hill Institute.

Cita Chicago Style (17a ed.)

Walker, David, y Ricardo Walker. The Use of the Oxygen Electrode and Fluorescence Probes in Simple Measurements of Photosynthesis. Sheffield: Robert Hill Institute, 1990.

Cita MLA (9a ed.)

Walker, David, y Ricardo Walker. The Use of the Oxygen Electrode and Fluorescence Probes in Simple Measurements of Photosynthesis. Robert Hill Institute, 1990.