APA Edition Citation

Petrstray. (1970). Biology of aphid parasites. W Junk.

Chicago Edition Citation

Petrstray. Biology of Aphid Parasites. Netharland: W Junk, 1970.

MLA Edition Citation

Petrstray. Biology of Aphid Parasites. W Junk, 1970.

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