International Botanical Congress, United States-Japan Cooperative Science Program, & Graham, A. (1972). Floristics and paleofloristics of Asia and Eastern North America.: Proceedings of symposia for the systematics section, 11th International Botanical Congress, Seattle, Wash. (U.S.A.), 1969, and the Japan-United States Cooperative Science Program, Corvallis, Oreg. (U.S.A.), 1969. Elsevier Pub. Co..
Chicago Style (17th ed.) CitationInternational Botanical Congress, United States-Japan Cooperative Science Program, and Alan Graham. Floristics and Paleofloristics of Asia and Eastern North America.: Proceedings of Symposia for the Systematics Section, 11th International Botanical Congress, Seattle, Wash. (U.S.A.), 1969, and the Japan-United States Cooperative Science Program, Corvallis, Oreg. (U.S.A.), 1969. Amsterdam, New York: Elsevier Pub. Co., 1972.
MLA (9th ed.) CitationInternational Botanical Congress, et al. Floristics and Paleofloristics of Asia and Eastern North America.: Proceedings of Symposia for the Systematics Section, 11th International Botanical Congress, Seattle, Wash. (U.S.A.), 1969, and the Japan-United States Cooperative Science Program, Corvallis, Oreg. (U.S.A.), 1969. Elsevier Pub. Co., 1972.