APA

Wodehouse R. P., . (1959). Pollen grains : theeir structure, identification and significance in science and medicine. New York: Hafner Publishing Company.

Chicago

Wodehouse R P, . 1959. Pollen grains : theeir structure, identification and significance in science and medicine. New York: Hafner Publishing Company.

Harvard

Wodehouse R. P., . (1959). Pollen grains : theeir structure, identification and significance in science and medicine. New York: Hafner Publishing Company.

MLA

Wodehouse R P, . Pollen grains : theeir structure, identification and significance in science and medicine. New York: Hafner Publishing Company. 1959.