Citazione Stile APA (7a Edizione)

Milne, L. J., & Milne, M. (1971). The arena of life: The dynamics of ecology. Doubleday-Natural Press.

Citazione stile Chigago Style (17a edizione)

Milne, Lorus Johnson, e Margery Milne. The Arena of Life: The Dynamics of Ecology. Nueva York: Doubleday-Natural Press, 1971.

Citatione MLA (9a ed.)

Milne, Lorus Johnson, e Margery Milne. The Arena of Life: The Dynamics of Ecology. Doubleday-Natural Press, 1971.