APA (7th ed.) Citation

YONG & Leong. (1983). A guide to cultivation of edible mushrooms in Singapore. Primary Production Dept., Ministry of National Development.

Chicago Style (17th ed.) Citation

YONG and Leong. A Guide to Cultivation of Edible Mushrooms in Singapore. Singapore: Primary Production Dept., Ministry of National Development, 1983.

MLA (9th ed.) Citation

YONG and Leong. A Guide to Cultivation of Edible Mushrooms in Singapore. Primary Production Dept., Ministry of National Development, 1983.