APA

Holm-Nielsen L., Jeppesen S., . (1968). Preliminary report on the expedition to Ecuador, april-august 1968 / L. B. Holm Nielsen; S. Jeppesen. Aarhus: University of Aarhus, Botanical Institute.

Chicago

Holm-Nielsen L, Jeppesen Stig, . 1968. Preliminary report on the expedition to Ecuador, april-august 1968 / L. B. Holm Nielsen; S. Jeppesen. Aarhus: University of Aarhus, Botanical Institute.

Harvard

Holm-Nielsen L., Jeppesen S., . (1968). Preliminary report on the expedition to Ecuador, april-august 1968 / L. B. Holm Nielsen; S. Jeppesen. Aarhus: University of Aarhus, Botanical Institute.

MLA

Holm-Nielsen L, Jeppesen Stig, . Preliminary report on the expedition to Ecuador, april-august 1968 / L. B. Holm Nielsen; S. Jeppesen. Aarhus: University of Aarhus, Botanical Institute. 1968.