Cita APA (7a ed.)

Law, S., & Scott, S. (1995). Tips for practitioners: Pet care, a vehicle for learning. [s.n.].

Cita Chicago Style (17a ed.)

Law, Sandra, y Sandra Scott. Tips for Practitioners: Pet Care, a Vehicle for Learning. [S.l.]: [s.n.], 1995.

Cita MLA (9a ed.)

Law, Sandra, y Sandra Scott. Tips for Practitioners: Pet Care, a Vehicle for Learning. [s.n.], 1995.