Shepard, P., & McKinley, D. (1971). Environmental essays on the planet as home. Houghton-Mifflin.
Chicagoスタイル(17版)引用形式Shepard, Paul, , Daniel McKinley. Environmental Essays on the Planet as Home. Boston: Houghton-Mifflin, 1971.
MLA(9版)引用形式Shepard, Paul, , Daniel McKinley. Environmental Essays on the Planet as Home. Houghton-Mifflin, 1971.
警告: この引用は必ずしも正確ではありません.