APA (7th ed.) Citation

Barbour, G. F. (1911). A philosophical study of Christian ethics. W. Blackwood and Sons.

Chicago Style (17th ed.) Citation

Barbour, George Freeland. A Philosophical Study of Christian Ethics. Edinburgh, London: W. Blackwood and Sons, 1911.

MLA (8th ed.) Citation

Barbour, George Freeland. A Philosophical Study of Christian Ethics. W. Blackwood and Sons, 1911.

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