APA-viite (7. p.)

Levko, J. J. (2000). Cassian's prayer for the 21st century. University of Scranton Press ; University of Toronto Press [distributor].

Chicago-viite (17. p.)

Levko, John J. Cassian's Prayer for the 21st Century. Scranton : Tonawanda, NY: University of Scranton Press ; University of Toronto Press [distributor], 2000.

MLA-viite (8. p.)

Levko, John J. Cassian's Prayer for the 21st Century. University of Scranton Press ; University of Toronto Press [distributor], 2000.