APA

Kopp L. E., . (1966). A taxonomic revision of the genus persea in the western hemisphere (persea-lauraceae). New York, New York, United States: The New York Botanical Garden.

Chicago

Kopp Lucille E, . 1966. A taxonomic revision of the genus persea in the western hemisphere (persea-lauraceae). New York, New York, United States: The New York Botanical Garden.

Harvard

Kopp L. E., . (1966). A taxonomic revision of the genus persea in the western hemisphere (persea-lauraceae). New York, New York, United States: The New York Botanical Garden.

MLA

Kopp Lucille E, . A taxonomic revision of the genus persea in the western hemisphere (persea-lauraceae). New York, New York, United States: The New York Botanical Garden. 1966.