APA (7th ed.) Citation

Lucas, F. L. (1975). Critical thoughts in critical days. Folcroft Library Editions.

Chicago Style (17th ed.) Citation

Lucas, F. L. Critical Thoughts in Critical Days. Folcroft, Pa.: Folcroft Library Editions, 1975.

MLA (9th ed.) Citation

Lucas, F. L. Critical Thoughts in Critical Days. Folcroft Library Editions, 1975.

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