APA (7th ed.) Citation

Philo Africanus. (1790). A letter to Wm. Wilberforce, Esq. By Philo-Africanus.

Chicago Style (17th ed.) Citation

Philo Africanus. A Letter to Wm. Wilberforce, Esq. By Philo-Africanus. 1790.

MLA (9th ed.) Citation

Philo Africanus. A Letter to Wm. Wilberforce, Esq. By Philo-Africanus. 1790.

Warning: These citations may not always be 100% accurate.