APA (7th ed.) Citation

Guthrie, L. O. (1948). Factual communication: A handbook of American English. Macmillan.

Chicago Style (17th ed.) Citation

Guthrie, L. O. Factual Communication: A Handbook of American English. New York: Macmillan, 1948.

MLA (9th ed.) Citation

Guthrie, L. O. Factual Communication: A Handbook of American English. Macmillan, 1948.

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