APA (7th ed.) Citation

Hoyt, J. P. (1967). A brief introduction to probability theory. International Textbook Co..

Chicago Style (17th ed.) Citation

Hoyt, John Paul. A Brief Introduction to Probability Theory. Scranton, Pa.: International Textbook Co., 1967.

MLA (9th ed.) Citation

Hoyt, John Paul. A Brief Introduction to Probability Theory. International Textbook Co., 1967.