Cita APA (7th ed.)

Jackson, J. E. (1978). Symposium on high density planting. ISHS.

Cita Chicago (17th ed.)

Jackson, John Ellwood. Symposium on High Density Planting. Wageningen: ISHS, 1978.

Cita MLA (9th ed.)

Jackson, John Ellwood. Symposium on High Density Planting. ISHS, 1978.