Cita APA (7a ed.)

Mohlenbrock, R. H., Preece, W., & Nelson, P. W. (2001). Flowering Plants: Pokeweeds, Four-o'clocks, Carpetweeds, Cacti, Purslanes, Goosefoots, Pigweeds, and Pinks. Southern Illinois University Press.

Cita Chicago Style (17a ed.)

Mohlenbrock, Robert H., Wendy Preece, y Paul W. Nelson. Flowering Plants: Pokeweeds, Four-o'clocks, Carpetweeds, Cacti, Purslanes, Goosefoots, Pigweeds, and Pinks. Carbondale: Southern Illinois University Press, 2001.

Cita MLA (8a ed.)

Mohlenbrock, Robert H., et al. Flowering Plants: Pokeweeds, Four-o'clocks, Carpetweeds, Cacti, Purslanes, Goosefoots, Pigweeds, and Pinks. Southern Illinois University Press, 2001.