APA (7th ed.) Citation

Hartley, C. W. S. (1977). The oil palm (Elaeis guineensis Jacq.) (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

Hartley, C. W. S. The Oil Palm (Elaeis Guineensis Jacq.). 2nd ed. London: Longman, 1977.

MLA (9th ed.) Citation

Hartley, C. W. S. The Oil Palm (Elaeis Guineensis Jacq.). 2nd ed. Longman, 1977.

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