APA (7th ed.) Citation
Pfau, R., & Hirshberg, A. Prodigal Shepherd. SMT Guild.
Chicago Style (17th ed.) Citation
Pfau, Ralph, and Al Hirshberg. Prodigal Shepherd. Indianápolis, EUA: SMT Guild.
MLA (9th ed.) Citation
Pfau, Ralph, and Al Hirshberg. Prodigal Shepherd. SMT Guild.
Warning: These citations may not always be 100% accurate.