APA Edition Citation

Beek, . S. D. (1968). Insect photoperiodism. Academic press.

Chicago Edition Citation

Beek, Stanley D. Insect Photoperiodism. Newyork: Academic press, 1968.

MLA Edition Citation

Beek, Stanley D. Insect Photoperiodism. Academic press, 1968.

Warning: These citations may not always be 100% accurate.