APA (7th ed.) Citation

Metz, R. (1960). What is Canon Law? Hawthorn Books, Publishers.

Chicago Style (17th ed.) Citation

Metz, René. What Is Canon Law? New York: Hawthorn Books, Publishers, 1960.

MLA (9th ed.) Citation

Metz, René. What Is Canon Law? Hawthorn Books, Publishers, 1960.

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