APA (7th ed.) Citation

Perrott, D. V. (1957). Swahili ([2nd ed.].). [S.n].

Chicago Style (17th ed.) Citation

Perrott, D. V. Swahili. [2nd ed.]. London: [S.n], 1957.

MLA (9th ed.) Citation

Perrott, D. V. Swahili. [2nd ed.]. [S.n], 1957.