Cita APA (7a ed.)

Metzner, H. (1983). Photosynthesis and plant productivity: Joint Meeting of O.E.C.D. and Studienzentrum Weikersheim, Ettlingen Castle (Germany), October 11-14, 1981. Wissenschaftliche Verlagsgesellschaft.

Cita Chicago Style (17a ed.)

Metzner, Helmut. Photosynthesis and Plant Productivity: Joint Meeting of O.E.C.D. and Studienzentrum Weikersheim, Ettlingen Castle (Germany), October 11-14, 1981. Stuttgart: Wissenschaftliche Verlagsgesellschaft, 1983.

Cita MLA (9a ed.)

Metzner, Helmut. Photosynthesis and Plant Productivity: Joint Meeting of O.E.C.D. and Studienzentrum Weikersheim, Ettlingen Castle (Germany), October 11-14, 1981. Wissenschaftliche Verlagsgesellschaft, 1983.