APA цитиране

Kieran, J. (1959). A natural history of New York City: A personal report after fifty years of study & enjoyment of wildlife within the boundaries of Greater New York. Boston: Houghton Mifflin.

Чикагска система за цитиране

Kieran, John. A Natural History of New York City: A Personal Report After Fifty Years of Study & Enjoyment of Wildlife Within the Boundaries of Greater New York. Boston: Houghton Mifflin, 1959.

MLA формат за цитиране

Kieran, John. A Natural History of New York City: A Personal Report After Fifty Years of Study & Enjoyment of Wildlife Within the Boundaries of Greater New York. Boston: Houghton Mifflin, 1959.