APA (7th ed.) Citation

Planck, M., Whitehead, A. N., Poincaré, H., Einstein, A., Eddington, A. S., Bohr, N., . . . Waddington, C. H. (1996). Natural science: Selections from the twentieth century (2nd ed., 6th pr.). Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

Planck, Max, et al. Natural Science: Selections from the Twentieth Century. 2nd ed., 6th pr. Chicago [etc.]: Encyclopaedia Britannica, 1996.

MLA (9th ed.) Citation

Planck, Max, et al. Natural Science: Selections from the Twentieth Century. 2nd ed., 6th pr. Encyclopaedia Britannica, 1996.