APA (7th ed.) Citation

Hegel, G. W. F., Haldane, E. S., & Simson, F. H. (1955). Lectures on the history of philosophy. Routledge & K. Paul.

Chicago Style (17th ed.) Citation

Hegel, Georg Wilhelm Friedrich, Elizabeth Sanderson Haldane, and Frances H. Simson. Lectures on the History of Philosophy. London: Routledge & K. Paul, 1955.

MLA (9th ed.) Citation

Hegel, Georg Wilhelm Friedrich, et al. Lectures on the History of Philosophy. Routledge & K. Paul, 1955.