APA

Rotar P. P., . (1968). Grasses of Hawaii. Honolulu, Hawaii, USA: University of Hawaii Press.

Chicago

Rotar Peter P, . 1968. Grasses of Hawaii. Honolulu, Hawaii, USA: University of Hawaii Press.

Harvard

Rotar P. P., . (1968). Grasses of Hawaii. Honolulu, Hawaii, USA: University of Hawaii Press.

MLA

Rotar Peter P, . Grasses of Hawaii. Honolulu, Hawaii, USA: University of Hawaii Press. 1968.