APA Edition Citation

Purtill, R. L. (1975). Philosophically speaking. Prentice-Hall.

Chicago Edition Citation

Purtill, Richard L. Philosophically Speaking. Englewood Cliffs, N.J.: Prentice-Hall, 1975.

MLA Edition Citation

Purtill, Richard L. Philosophically Speaking. Prentice-Hall, 1975.

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