Cita APA (7a ed.)

Feddema, L. W., Massey, P. H., & Gray, R. W. (1961). An State Type Greenhouse for Town and Country Use. Virginia Polytechnic Institute.

Cita Chicago Style (17a ed.)

Feddema, L. W., P. H. Massey, y R. W. Gray. An State Type Greenhouse for Town and Country Use. Virginia: Virginia Polytechnic Institute, 1961.

Cita MLA (9a ed.)

Feddema, L. W., et al. An State Type Greenhouse for Town and Country Use. Virginia Polytechnic Institute, 1961.