APA (7th ed.) Citation

ESPIG, G. (1988). Ekologi - Gustau Espig. Yayasan Obor Indonesia.

Chicago Style (17th ed.) Citation

ESPIG, Gustau. Ekologi - Gustau Espig. Yayasan Obor Indonesia, 1988.

MLA (8th ed.) Citation

ESPIG, Gustau. Ekologi - Gustau Espig. Yayasan Obor Indonesia, 1988.

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