Cita APA (7a ed.)

Columela, L. J. M., Forster, E. S., & Heffner, E. H. (1955). On agriculture ; and Trees. William Heinemann [etc.].

Cita Chicago Style (17a ed.)

Columela, Lucio Junio Moderato, E. S. Forster, y Edward H. Heffner. On Agriculture ; and Trees. London [etc.]: William Heinemann [etc.], 1955.

Cita MLA (9a ed.)

Columela, Lucio Junio Moderato, et al. On Agriculture ; and Trees. William Heinemann [etc.], 1955.