APA (7th ed.) Citation

Kloppenburg, D. (1991). Phillipine hoya species. Orca Publ.

Chicago Style (17th ed.) Citation

Kloppenburg, Dale. Phillipine Hoya Species. Medford, Oregon: Orca Publ, 1991.

MLA (9th ed.) Citation

Kloppenburg, Dale. Phillipine Hoya Species. Orca Publ, 1991.

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