APA (7th ed.) Citation

Ptahhotep, Kagemna, & Gunn, B. G. (1909). The instruction of Ptah-hotep and the instruction of Keʼgemni: The oldest books in the world. J. Murray.

Chicago Style (17th ed.) Citation

Ptahhotep, Kagemna, and Battiscombe George Gunn. The Instruction of Ptah-hotep and the Instruction of Keʼgemni: The Oldest Books in the World. London: J. Murray, 1909.

MLA (9th ed.) Citation

Ptahhotep, et al. The Instruction of Ptah-hotep and the Instruction of Keʼgemni: The Oldest Books in the World. J. Murray, 1909.