Cita APA

Allan J, B., & Richard A, H. (1989). Dicotyledoneae, part 2. Jamaica Plain, Massachusetts: Arnold Arboretum, Harvard University.

Citación estilo Chicago

Allan J, Bornstein, y Howard Richard A. Dicotyledoneae, Part 2. Jamaica Plain, Massachusetts: Arnold Arboretum, Harvard University, 1989.

Cita MLA

Allan J, Bornstein, y Howard Richard A. Dicotyledoneae, Part 2. Jamaica Plain, Massachusetts: Arnold Arboretum, Harvard University, 1989.