Citazione Stile APA (7a Edizione)

Curtis, J. T., & Cottam, G. (1969). Plant ecology workbook: Laboratory, field and reference manual. Burggess.

Citazione stile Chigago Style (17a edizione)

Curtis, J. T., e Grant Cottam. Plant Ecology Workbook: Laboratory, Field and Reference Manual. Brookline: Burggess, 1969.

Citatione MLA (9a ed.)

Curtis, J. T., e Grant Cottam. Plant Ecology Workbook: Laboratory, Field and Reference Manual. Burggess, 1969.