APA (7th ed.) Citation

MacGrath, W. R. (1989). The mystery of Jacob Amman. A-M Publ.

Chicago Style (17th ed.) Citation

MacGrath, William R. The Mystery of Jacob Amman. Carrollton, Ohio: A-M Publ, 1989.

MLA (8th ed.) Citation

MacGrath, William R. The Mystery of Jacob Amman. A-M Publ, 1989.

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