Cita APA (7th ed.)

Osborne, R., & Edinger, P. (1975). Garden trees. Lane Pub. Co.

Cita Chicago (17th ed.)

Osborne, Richard, i Philip Edinger. Garden Trees. Menlo Park, Calif: Lane Pub. Co, 1975.

Cita MLA (9th ed.)

Osborne, Richard, i Philip Edinger. Garden Trees. Lane Pub. Co, 1975.